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A151678
a(n) = sum_{k >= 0} binomial(wt(n+k),2*k), where wt() = A000120().
0
1, 1, 2, 1, 2, 2, 4, 1, 2, 2, 4, 2, 4, 5, 7, 1, 2, 2, 4, 2, 4, 5, 7, 2, 4, 5, 7, 5, 8, 12, 11, 1, 2, 2, 4, 2, 4, 5, 7, 2, 4, 5, 7, 5, 8, 12, 11, 2, 4, 5, 7, 5, 8, 12, 11, 5, 8, 12, 12, 12, 17, 26, 16, 1, 2, 2, 4, 2, 4, 5, 7, 2, 4, 5, 7, 5, 8, 12, 11, 2, 4, 5, 7, 5, 8, 12, 11, 5, 8, 12, 12, 12, 17, 26, 16
OFFSET
0,3
CROSSREFS
Sequence in context: A321319 A048896 A130831 * A273126 A151681 A336138
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 01 2009
STATUS
approved