A006331 2*(x+1)/(x-1)^4 A006331 0 2 A006331 1 10 A006331 2 28 A006331 3 60 A006331 4 110 A006331 5 182 A006331 6 280 A006331 7 408 A006331 8 570 A006331 9 770 A006331 10 1012 A006331 11 1300 A006331 12 1638 A006331 13 2030 A006331 14 2480 A006331 15 2992 A006331 16 3570 A006331 17 4218 A006331 18 4940 A006331 19 5740 A006331 20 6622 A006331 21 7590 A006331 22 8648 A006331 23 9800 A006331 24 11050 A006331 25 12402 A006331 26 13860 A006331 27 15428 A006331 28 17110 A006331 29 18910 A006331 30 20832 A006331 31 22880 A006331 32 25058 A006331 33 27370 A006331 34 29820 A006331 35 32412 A006331 36 35150 A006331 37 38038 A006331 38 41080 A006331 39 44280 A006331 40 47642 A006331 41 51170 A006331 42 54868 A006331 43 58740 A006331 44 62790 A006331 45 67022 A006331 46 71440 A006331 47 76048 A006331 48 80850 A006331 49 85850 A006331 50 91052 A006331 51 96460 A006331 52 102078 A006331 53 107910 A006331 54 113960 A006331 55 120232 A006331 56 126730 A006331 57 133458 A006331 58 140420 A006331 59 147620 A006331 60 155062 A006331 61 162750 A006331 62 170688 A006331 63 178880 A006331 64 187330 A006331 65 196042 A006331 66 205020 A006331 67 214268 A006331 68 223790 A006331 69 233590 A006331 70 243672 A006331 71 254040 A006331 72 264698 A006331 73 275650 A006331 74 286900 A006331 75 298452 A006331 76 310310 A006331 77 322478 A006331 78 334960 A006331 79 347760 A006331 80 360882 A006331 81 374330 A006331 82 388108 A006331 83 402220 A006331 84 416670 A006331 85 431462 A006331 86 446600 A006331 87 462088 A006331 88 477930 A006331 89 494130 A006331 90 510692 A006331 91 527620 A006331 92 544918 A006331 93 562590 A006331 94 580640 A006331 95 599072 A006331 96 617890 A006331 97 637098 A006331 98 656700 A006331 99 676700 A006331 100 697102 A006331 101 717910 A006331 102 739128 A006331 103 760760 A006331 104 782810 A006331 105 805282 A006331 106 828180 A006331 107 851508 A006331 108 875270 A006331 109 899470 A006331 110 924112 A006331 111 949200 A006331 112 974738 A006331 113 1000730 A006331 114 1027180 A006331 115 1054092 A006331 116 1081470 A006331 117 1109318 A006331 118 1137640 A006331 119 1166440 A006331 120 1195722 A006331 121 1225490 A006331 122 1255748 A006331 123 1286500 A006331 124 1317750 A006331 125 1349502 A006331 126 1381760 A006331 127 1414528 A006331 128 1447810 A006331 129 1481610 A006331 130 1515932 A006331 131 1550780 A006331 132 1586158 A006331 133 1622070 A006331 134 1658520 A006331 135 1695512 A006331 136 1733050 A006331 137 1771138 A006331 138 1809780 A006331 139 1848980 A006331 140 1888742 A006331 141 1929070 A006331 142 1969968 A006331 143 2011440 A006331 144 2053490 A006331 145 2096122 A006331 146 2139340 A006331 147 2183148 A006331 148 2227550 A006331 149 2272550 A006331 150 2318152 A006331 151 2364360 A006331 152 2411178 A006331 153 2458610 A006331 154 2506660 A006331 155 2555332 A006331 156 2604630 A006331 157 2654558 A006331 158 2705120 A006331 159 2756320 A006331 160 2808162 A006331 161 2860650 A006331 162 2913788 A006331 163 2967580 A006331 164 3022030 A006331 165 3077142 A006331 166 3132920 A006331 167 3189368 A006331 168 3246490 A006331 169 3304290 A006331 170 3362772 A006331 171 3421940 A006331 172 3481798 A006331 173 3542350 A006331 174 3603600 A006331 175 3665552 A006331 176 3728210 A006331 177 3791578 A006331 178 3855660 A006331 179 3920460 A006331 180 3985982 A006331 181 4052230 A006331 182 4119208 A006331 183 4186920 A006331 184 4255370 A006331 185 4324562 A006331 186 4394500 A006331 187 4465188 A006331 188 4536630 A006331 189 4608830 A006331 190 4681792 A006331 191 4755520 A006331 192 4830018 A006331 193 4905290 A006331 194 4981340 A006331 195 5058172 A006331 196 5135790 A006331 197 5214198 A006331 198 5293400 A006331 199 5373400 A006331 200 5454202 A006331 201 5535810 A006331 202 5618228 A006331 203 5701460 A006331 204 5785510 A006331 205 5870382 A006331 206 5956080 A006331 207 6042608 A006331 208 6129970 A006331 209 6218170 A006331 210 6307212 A006331 211 6397100 A006331 212 6487838 A006331 213 6579430 A006331 214 6671880 A006331 215 6765192 A006331 216 6859370 A006331 217 6954418 A006331 218 7050340 A006331 219 7147140 A006331 220 7244822 A006331 221 7343390 A006331 222 7442848 A006331 223 7543200 A006331 224 7644450 A006331 225 7746602 A006331 226 7849660 A006331 227 7953628 A006331 228 8058510 A006331 229 8164310 A006331 230 8271032 A006331 231 8378680 A006331 232 8487258 A006331 233 8596770 A006331 234 8707220 A006331 235 8818612 A006331 236 8930950 A006331 237 9044238 A006331 238 9158480 A006331 239 9273680 A006331 240 9389842 A006331 241 9506970 A006331 242 9625068 A006331 243 9744140 A006331 244 9864190 A006331 245 9985222 A006331 246 10107240 A006331 247 10230248 A006331 248 10354250 A006331 249 10479250 A006331 250 10605252 A006331 251 10732260 A006331 252 10860278 A006331 253 10989310 A006331 254 11119360 A006331 255 11250432 A006331 256 11382530 A006331 257 11515658 A006331 258 11649820 A006331 259 11785020 A006331 260 11921262 A006331 261 12058550 A006331 262 12196888 A006331 263 12336280 A006331 264 12476730 A006331 265 12618242 A006331 266 12760820 A006331 267 12904468 A006331 268 13049190 A006331 269 13194990 A006331 270 13341872 A006331 271 13489840 A006331 272 13638898 A006331 273 13789050 A006331 274 13940300 A006331 275 14092652 A006331 276 14246110 A006331 277 14400678 A006331 278 14556360 A006331 279 14713160 A006331 280 14871082 A006331 281 15030130 A006331 282 15190308 A006331 283 15351620 A006331 284 15514070 A006331 285 15677662 A006331 286 15842400 A006331 287 16008288 A006331 288 16175330 A006331 289 16343530 A006331 290 16512892 A006331 291 16683420 A006331 292 16855118 A006331 293 17027990 A006331 294 17202040 A006331 295 17377272 A006331 296 17553690 A006331 297 17731298 A006331 298 17910100 A006331 299 18090100 A006331 300 18271302 A006331 301 18453710 A006331 302 18637328 A006331 303 18822160 A006331 304 19008210 A006331 305 19195482 A006331 306 19383980 A006331 307 19573708 A006331 308 19764670 A006331 309 19956870 A006331 310 20150312 A006331 311 20345000 A006331 312 20540938 A006331 313 20738130 A006331 314 20936580 A006331 315 21136292 A006331 316 21337270 A006331 317 21539518 A006331 318 21743040 A006331 319 21947840 A006331 320 22153922 A006331 321 22361290 A006331 322 22569948 A006331 323 22779900 A006331 324 22991150 A006331 325 23203702 A006331 326 23417560 A006331 327 23632728 A006331 328 23849210 A006331 329 24067010 A006331 330 24286132 A006331 331 24506580 A006331 332 24728358 A006331 333 24951470 A006331 334 25175920 A006331 335 25401712 A006331 336 25628850 A006331 337 25857338 A006331 338 26087180 A006331 339 26318380 A006331 340 26550942 A006331 341 26784870 A006331 342 27020168 A006331 343 27256840 A006331 344 27494890 A006331 345 27734322 A006331 346 27975140 A006331 347 28217348 A006331 348 28460950 A006331 349 28705950 A006331 350 28952352 A006331 351 29200160 A006331 352 29449378 A006331 353 29700010 A006331 354 29952060 A006331 355 30205532 A006331 356 30460430 A006331 357 30716758 A006331 358 30974520 A006331 359 31233720 A006331 360 31494362 A006331 361 31756450 A006331 362 32019988 A006331 363 32284980 A006331 364 32551430 A006331 365 32819342 A006331 366 33088720 A006331 367 33359568 A006331 368 33631890 A006331 369 33905690 A006331 370 34180972 A006331 371 34457740 A006331 372 34735998 A006331 373 35015750 A006331 374 35297000 A006331 375 35579752 A006331 376 35864010 A006331 377 36149778 A006331 378 36437060 A006331 379 36725860 A006331 380 37016182 A006331 381 37308030 A006331 382 37601408 A006331 383 37896320 A006331 384 38192770 A006331 385 38490762 A006331 386 38790300 A006331 387 39091388 A006331 388 39394030 A006331 389 39698230 A006331 390 40003992 A006331 391 40311320 A006331 392 40620218 A006331 393 40930690 A006331 394 41242740 A006331 395 41556372 A006331 396 41871590 A006331 397 42188398 A006331 398 42506800 A006331 399 42826800 A006331 400 43148402 A006331 401 43471610 A006331 402 43796428 A006331 403 44122860 A006331 404 44450910 A006331 405 44780582 A006331 406 45111880 A006331 407 45444808 A006331 408 45779370 A006331 409 46115570 A006331 410 46453412 A006331 411 46792900 A006331 412 47134038 A006331 413 47476830 A006331 414 47821280 A006331 415 48167392 A006331 416 48515170 A006331 417 48864618 A006331 418 49215740 A006331 419 49568540 A006331 420 49923022 A006331 421 50279190 A006331 422 50637048 A006331 423 50996600 A006331 424 51357850 A006331 425 51720802 A006331 426 52085460 A006331 427 52451828 A006331 428 52819910 A006331 429 53189710 A006331 430 53561232 A006331 431 53934480 A006331 432 54309458 A006331 433 54686170 A006331 434 55064620 A006331 435 55444812 A006331 436 55826750 A006331 437 56210438 A006331 438 56595880 A006331 439 56983080 A006331 440 57372042 A006331 441 57762770 A006331 442 58155268 A006331 443 58549540 A006331 444 58945590 A006331 445 59343422 A006331 446 59743040 A006331 447 60144448 A006331 448 60547650 A006331 449 60952650 A006331 450 61359452 A006331 451 61768060 A006331 452 62178478 A006331 453 62590710 A006331 454 63004760 A006331 455 63420632 A006331 456 63838330 A006331 457 64257858 A006331 458 64679220 A006331 459 65102420 A006331 460 65527462 A006331 461 65954350 A006331 462 66383088 A006331 463 66813680 A006331 464 67246130 A006331 465 67680442 A006331 466 68116620 A006331 467 68554668 A006331 468 68994590 A006331 469 69436390 A006331 470 69880072 A006331 471 70325640 A006331 472 70773098 A006331 473 71222450 A006331 474 71673700 A006331 475 72126852 A006331 476 72581910 A006331 477 73038878 A006331 478 73497760 A006331 479 73958560 A006331 480 74421282 A006331 481 74885930 A006331 482 75352508 A006331 483 75821020 A006331 484 76291470 A006331 485 76763862 A006331 486 77238200 A006331 487 77714488 A006331 488 78192730 A006331 489 78672930 A006331 490 79155092 A006331 491 79639220 A006331 492 80125318 A006331 493 80613390 A006331 494 81103440 A006331 495 81595472 A006331 496 82089490 A006331 497 82585498 A006331 498 83083500 A006331 499 83583500 A006331 500 84085502 A006331 501 84589510 A006331 502 85095528 A006331 503 85603560 A006331 504 86113610 A006331 505 86625682 A006331 506 87139780 A006331 507 87655908 A006331 508 88174070 A006331 509 88694270 A006331 510 89216512 A006331 511 89740800 A006331 512 90267138 A006331 513 90795530 A006331 514 91325980 A006331 515 91858492 A006331 516 92393070 A006331 517 92929718 A006331 518 93468440 A006331 519 94009240 A006331 520 94552122 A006331 521 95097090 A006331 522 95644148 A006331 523 96193300 A006331 524 96744550 A006331 525 97297902 A006331 526 97853360 A006331 527 98410928 A006331 528 98970610 A006331 529 99532410 A006331 530 100096332 A006331 531 100662380 A006331 532 101230558 A006331 533 101800870 A006331 534 102373320 A006331 535 102947912 A006331 536 103524650 A006331 537 104103538 A006331 538 104684580 A006331 539 105267780 A006331 540 105853142 A006331 541 106440670 A006331 542 107030368 A006331 543 107622240 A006331 544 108216290 A006331 545 108812522 A006331 546 109410940 A006331 547 110011548 A006331 548 110614350 A006331 549 111219350 A006331 550 111826552 A006331 551 112435960 A006331 552 113047578 A006331 553 113661410 A006331 554 114277460 A006331 555 114895732 A006331 556 115516230 A006331 557 116138958 A006331 558 116763920 A006331 559 117391120 A006331 560 118020562 A006331 561 118652250 A006331 562 119286188 A006331 563 119922380 A006331 564 120560830 A006331 565 121201542 A006331 566 121844520 A006331 567 122489768 A006331 568 123137290 A006331 569 123787090 A006331 570 124439172 A006331 571 125093540 A006331 572 125750198 A006331 573 126409150 A006331 574 127070400 A006331 575 127733952 A006331 576 128399810 A006331 577 129067978 A006331 578 129738460 A006331 579 130411260 A006331 580 131086382 A006331 581 131763830 A006331 582 132443608 A006331 583 133125720 A006331 584 133810170 A006331 585 134496962 A006331 586 135186100 A006331 587 135877588 A006331 588 136571430 A006331 589 137267630 A006331 590 137966192 A006331 591 138667120 A006331 592 139370418 A006331 593 140076090 A006331 594 140784140 A006331 595 141494572 A006331 596 142207390 A006331 597 142922598 A006331 598 143640200 A006331 599 144360200 A006331 600 145082602 A006331 601 145807410 A006331 602 146534628 A006331 603 147264260 A006331 604 147996310 A006331 605 148730782 A006331 606 149467680 A006331 607 150207008 A006331 608 150948770 A006331 609 151692970 A006331 610 152439612 A006331 611 153188700 A006331 612 153940238 A006331 613 154694230 A006331 614 155450680 A006331 615 156209592 A006331 616 156970970 A006331 617 157734818 A006331 618 158501140 A006331 619 159269940 A006331 620 160041222 A006331 621 160814990 A006331 622 161591248 A006331 623 162370000 A006331 624 163151250 A006331 625 163935002 A006331 626 164721260 A006331 627 165510028 A006331 628 166301310 A006331 629 167095110 A006331 630 167891432 A006331 631 168690280 A006331 632 169491658 A006331 633 170295570 A006331 634 171102020 A006331 635 171911012 A006331 636 172722550 A006331 637 173536638 A006331 638 174353280 A006331 639 175172480 A006331 640 175994242 A006331 641 176818570 A006331 642 177645468 A006331 643 178474940 A006331 644 179306990 A006331 645 180141622 A006331 646 180978840 A006331 647 181818648 A006331 648 182661050 A006331 649 183506050 A006331 650 184353652 A006331 651 185203860 A006331 652 186056678 A006331 653 186912110 A006331 654 187770160 A006331 655 188630832 A006331 656 189494130 A006331 657 190360058 A006331 658 191228620 A006331 659 192099820 A006331 660 192973662 A006331 661 193850150 A006331 662 194729288 A006331 663 195611080 A006331 664 196495530 A006331 665 197382642 A006331 666 198272420 A006331 667 199164868 A006331 668 200059990 A006331 669 200957790 A006331 670 201858272 A006331 671 202761440 A006331 672 203667298 A006331 673 204575850 A006331 674 205487100 A006331 675 206401052 A006331 676 207317710 A006331 677 208237078 A006331 678 209159160 A006331 679 210083960 A006331 680 211011482 A006331 681 211941730 A006331 682 212874708 A006331 683 213810420 A006331 684 214748870 A006331 685 215690062 A006331 686 216634000 A006331 687 217580688 A006331 688 218530130 A006331 689 219482330 A006331 690 220437292 A006331 691 221395020 A006331 692 222355518 A006331 693 223318790 A006331 694 224284840 A006331 695 225253672 A006331 696 226225290 A006331 697 227199698 A006331 698 228176900 A006331 699 229156900 A006331 700 230139702 A006331 701 231125310 A006331 702 232113728 A006331 703 233104960 A006331 704 234099010 A006331 705 235095882 A006331 706 236095580 A006331 707 237098108 A006331 708 238103470 A006331 709 239111670 A006331 710 240122712 A006331 711 241136600 A006331 712 242153338 A006331 713 243172930 A006331 714 244195380 A006331 715 245220692 A006331 716 246248870 A006331 717 247279918 A006331 718 248313840 A006331 719 249350640 A006331 720 250390322 A006331 721 251432890 A006331 722 252478348 A006331 723 253526700 A006331 724 254577950 A006331 725 255632102 A006331 726 256689160 A006331 727 257749128 A006331 728 258812010 A006331 729 259877810 A006331 730 260946532 A006331 731 262018180 A006331 732 263092758 A006331 733 264170270 A006331 734 265250720 A006331 735 266334112 A006331 736 267420450 A006331 737 268509738 A006331 738 269601980 A006331 739 270697180 A006331 740 271795342 A006331 741 272896470 A006331 742 274000568 A006331 743 275107640 A006331 744 276217690 A006331 745 277330722 A006331 746 278446740 A006331 747 279565748 A006331 748 280687750 A006331 749 281812750 A006331 750 282940752 A006331 751 284071760 A006331 752 285205778 A006331 753 286342810 A006331 754 287482860 A006331 755 288625932 A006331 756 289772030 A006331 757 290921158 A006331 758 292073320 A006331 759 293228520 A006331 760 294386762 A006331 761 295548050 A006331 762 296712388 A006331 763 297879780 A006331 764 299050230 A006331 765 300223742 A006331 766 301400320 A006331 767 302579968 A006331 768 303762690 A006331 769 304948490 A006331 770 306137372 A006331 771 307329340 A006331 772 308524398 A006331 773 309722550 A006331 774 310923800 A006331 775 312128152 A006331 776 313335610 A006331 777 314546178 A006331 778 315759860 A006331 779 316976660 A006331 780 318196582 A006331 781 319419630 A006331 782 320645808 A006331 783 321875120 A006331 784 323107570 A006331 785 324343162 A006331 786 325581900 A006331 787 326823788 A006331 788 328068830 A006331 789 329317030 A006331 790 330568392 A006331 791 331822920 A006331 792 333080618 A006331 793 334341490 A006331 794 335605540 A006331 795 336872772 A006331 796 338143190 A006331 797 339416798 A006331 798 340693600 A006331 799 341973600 A006331 800 343256802 A006331 801 344543210 A006331 802 345832828 A006331 803 347125660 A006331 804 348421710 A006331 805 349720982 A006331 806 351023480 A006331 807 352329208 A006331 808 353638170 A006331 809 354950370 A006331 810 356265812 A006331 811 357584500 A006331 812 358906438 A006331 813 360231630 A006331 814 361560080 A006331 815 362891792 A006331 816 364226770 A006331 817 365565018 A006331 818 366906540 A006331 819 368251340 A006331 820 369599422 A006331 821 370950790 A006331 822 372305448 A006331 823 373663400 A006331 824 375024650 A006331 825 376389202 A006331 826 377757060 A006331 827 379128228 A006331 828 380502710 A006331 829 381880510 A006331 830 383261632 A006331 831 384646080 A006331 832 386033858 A006331 833 387424970 A006331 834 388819420 A006331 835 390217212 A006331 836 391618350 A006331 837 393022838 A006331 838 394430680 A006331 839 395841880 A006331 840 397256442 A006331 841 398674370 A006331 842 400095668 A006331 843 401520340 A006331 844 402948390 A006331 845 404379822 A006331 846 405814640 A006331 847 407252848 A006331 848 408694450 A006331 849 410139450 A006331 850 411587852 A006331 851 413039660 A006331 852 414494878 A006331 853 415953510 A006331 854 417415560 A006331 855 418881032 A006331 856 420349930 A006331 857 421822258 A006331 858 423298020 A006331 859 424777220 A006331 860 426259862 A006331 861 427745950 A006331 862 429235488 A006331 863 430728480 A006331 864 432224930 A006331 865 433724842 A006331 866 435228220 A006331 867 436735068 A006331 868 438245390 A006331 869 439759190 A006331 870 441276472 A006331 871 442797240 A006331 872 444321498 A006331 873 445849250 A006331 874 447380500 A006331 875 448915252 A006331 876 450453510 A006331 877 451995278 A006331 878 453540560 A006331 879 455089360 A006331 880 456641682 A006331 881 458197530 A006331 882 459756908 A006331 883 461319820 A006331 884 462886270 A006331 885 464456262 A006331 886 466029800 A006331 887 467606888 A006331 888 469187530 A006331 889 470771730 A006331 890 472359492 A006331 891 473950820 A006331 892 475545718 A006331 893 477144190 A006331 894 478746240 A006331 895 480351872 A006331 896 481961090 A006331 897 483573898 A006331 898 485190300 A006331 899 486810300 A006331 900 488433902 A006331 901 490061110 A006331 902 491691928 A006331 903 493326360 A006331 904 494964410 A006331 905 496606082 A006331 906 498251380 A006331 907 499900308 A006331 908 501552870 A006331 909 503209070 A006331 910 504868912 A006331 911 506532400 A006331 912 508199538 A006331 913 509870330 A006331 914 511544780 A006331 915 513222892 A006331 916 514904670 A006331 917 516590118 A006331 918 518279240 A006331 919 519972040 A006331 920 521668522 A006331 921 523368690 A006331 922 525072548 A006331 923 526780100 A006331 924 528491350 A006331 925 530206302 A006331 926 531924960 A006331 927 533647328 A006331 928 535373410 A006331 929 537103210 A006331 930 538836732 A006331 931 540573980 A006331 932 542314958 A006331 933 544059670 A006331 934 545808120 A006331 935 547560312 A006331 936 549316250 A006331 937 551075938 A006331 938 552839380 A006331 939 554606580 A006331 940 556377542 A006331 941 558152270 A006331 942 559930768 A006331 943 561713040 A006331 944 563499090 A006331 945 565288922 A006331 946 567082540 A006331 947 568879948 A006331 948 570681150 A006331 949 572486150 A006331 950 574294952 A006331 951 576107560 A006331 952 577923978 A006331 953 579744210 A006331 954 581568260 A006331 955 583396132 A006331 956 585227830 A006331 957 587063358 A006331 958 588902720 A006331 959 590745920 A006331 960 592592962 A006331 961 594443850 A006331 962 596298588 A006331 963 598157180 A006331 964 600019630 A006331 965 601885942 A006331 966 603756120 A006331 967 605630168 A006331 968 607508090 A006331 969 609389890 A006331 970 611275572 A006331 971 613165140 A006331 972 615058598 A006331 973 616955950 A006331 974 618857200 A006331 975 620762352 A006331 976 622671410 A006331 977 624584378 A006331 978 626501260 A006331 979 628422060 A006331 980 630346782 A006331 981 632275430 A006331 982 634208008 A006331 983 636144520 A006331 984 638084970 A006331 985 640029362 A006331 986 641977700 A006331 987 643929988 A006331 988 645886230 A006331 989 647846430 A006331 990 649810592 A006331 991 651778720 A006331 992 653750818 A006331 993 655726890 A006331 994 657706940 A006331 995 659690972 A006331 996 661678990 A006331 997 663670998 A006331 998 665667000