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A151682 a(n) = sum_{k >= 0, k odd} binomial(wt(n+k),k+1), where wt() = A000120(). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..98.

CROSSREFS

Sequence in context: A189231 A107337 A066376 * A318928 A159918 A278573

Adjacent sequences:  A151679 A151680 A151681 * A151683 A151684 A151685

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 01 2009

STATUS

approved

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Last modified October 22 18:11 EDT 2021. Contains 348175 sequences. (Running on oeis4.)