A099813 Bisection of A007318.
1, 1, 1, 3, 1, 4, 4, 1, 10, 5, 1, 15, 15, 1, 7, 35, 21, 1, 8, 56, 56, 8, 1, 36, 126, 84, 9, 1, 45, 210, 210, 45, 1, 11, 165, 462, 330, 55, 1, 12, 220, 792, 792, 220, 12, 1, 78, 715, 1716, 1287, 286, 13, 1, 91, 1001, 3003, 3003, 1001, 91, 1, 15, 455, 3003, 6435, 5005, 1365
Offset: 0
Programs
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Maple
A:=[seq(seq(binomial(n,k),k=0..n),n=0..17)]: seq(A[2*n],n=1..85); # Emeric Deutsch, Dec 15 2004
Extensions
More terms from Emeric Deutsch, Dec 15 2004