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A151857 a(0)=1; a(1)=1; a(2)=0; for n>=3 if n=2^i + j with 0<=j<2^i then a(n)=a(j) + 2*a(j + 1) except we add 1 if j=2^i-1. 1
1, 1, 3, 8, 3, 7, 19, 15, 3, 7, 19, 14, 17, 45, 49, 22, 3, 7, 19, 14, 17, 45, 49, 21, 17, 45, 47, 48, 107, 143, 93, 29, 3, 7, 19, 14, 17, 45, 49, 21, 17, 45, 47, 48, 107, 143, 93, 28, 17, 45, 47, 48, 107, 143, 91, 55, 107, 139, 143, 262, 393, 329, 151, 36, 3, 7, 19, 14, 17, 45, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..70.

FORMULA

I would very much like a g.f. for this sequence!

CROSSREFS

Cf. A151843-A151874.

Sequence in context: A015136 A179450 A117240 * A309345 A010706 A125025

Adjacent sequences:  A151854 A151855 A151856 * A151858 A151859 A151860

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 17 2009

STATUS

approved

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Last modified November 14 12:38 EST 2019. Contains 329114 sequences. (Running on oeis4.)