a(n,k) tabl head (triangle) for A103919 Number of partitions of n with total number of odd parts equal k from {0,1,...,n}, a(n,m) tabl head (triangle) for A103919 n\m 0 1 2 3 4 5 6 7 8 9 10 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 3 0 2 0 1 0 0 0 0 0 0 0 4 2 0 2 0 1 0 0 0 0 0 0 5 0 4 0 2 0 1 0 0 0 0 0 6 3 0 5 0 2 0 1 0 0 0 0 7 0 7 0 5 0 2 0 1 0 0 0 8 5 0 9 0 5 0 2 0 1 0 0 9 0 12 0 10 0 5 0 2 0 1 0 10 7 0 17 0 10 0 5 0 2 0 1 . . . The row sums give the number of partitions of n: A000041(n). The column sequences are (without leading zeros): Columns: k=0: A035363 (with zero entries) A000041 (without zero entries), k=1: A000070, k=2: A000097, k=3: A000098, k=4: A000710.