A151682 - OEIS

A151682

a(n) = Sum_{k >= 0, k odd} binomial(wt(n+k),k+1), where wt() = A000120().

1, 1, 2, 1, 3, 2, 3, 1, 3, 2, 4, 3, 7, 3, 4, 1, 3, 2, 4, 3, 7, 3, 5, 3, 7, 4, 9, 7, 14, 4, 5, 1, 3, 2, 4, 3, 7, 3, 5, 3, 7, 4, 9, 7, 14, 4, 6, 3, 7, 4, 9, 7, 14, 5, 10, 7, 15, 9, 21, 14, 25, 5, 6, 1, 3, 2, 4, 3, 7, 3, 5, 3, 7, 4, 9, 7, 14, 4, 6, 3, 7, 4, 9, 7, 14, 5, 10, 7, 15, 9, 21, 14, 25, 5, 7, 3, 7, 4, 9