The Flajolet Constants. Constants constructed with the Thue-Morse sequence, see Encyclopedia of Integer sequences, Sequence # M0068 or A001030 or N0021. 2,1,1,2,1,2,1,2,1,1,2,1,2,1,1,2,1,2,1,1,2,1,2,1,2,1,1,2,1,2,1,1, 2,1,2,1,2,1,1,2,1,2,1,1,2,1,2,1,2,1,1,2,1,2,1,1,2,1,2,1,1,2,1,2,1,2,1,1 Fixed under 1 -> 21, 2 -> 211. Appears in Math. Magazine vol, 36 page 180 1963. .81168692154477931 product((n/(n+1))^((-1)^t(n-1)),n = 1 .. infinity) .8711570464148937 product((2*n/(2*n+1))^((-1)^t(n-1)),n = 1 .. infinity) 1.628160129718917 product((2*n/(2*n+1))^((-1)^t(n)),n = 1 .. infinity) 2.302566137163630 product((n/(n+1))^((-1)^t(n)),n = 1 .. infinity) Here t(n) is Thue-Morse sequence. infinity --------' t(n - 1) ' | | / n \((-1) ) | | |-----| | | \n + 1/ | | n = 1 infinity --------' t(n - 1) ' | | / n \((-1) ) | | |2 -------| | | \ 2 n + 1/ | | n = 1 infinity --------' t(n) ' | | / n \((-1) ) | | |2 -------| | | \ 2 n + 1/ | | n = 1 infinity --------' t(n) ' | | / n \((-1) ) | | |-----| | | \n + 1/ | | n = 1 .81168692154477931 .8711570464148937 1.628160129718917 2.302566137163630 # This is the electronic signature for Plouffe's Inverter # # Ceci est la signature électronique pour l'Inverseur de Plouffe # # Copyright : Simon Plouffe/Plouffe's Inverter (c) 1986. # # http://www.lacim.uqam.ca/pi #