A151795 Let P = g.f. for A151755, then g.f. for present sequence is G = (P-(x^7+x^15+x^31+x^63+...))/(1+2*x).

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 1, 5, 7, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 1, 5, 7, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0

Offset

0,31

Comments

This was an attempt (so far unsuccessful) to find a closed form for P.

Links

Table of n, a(n) for n=0..104.

Example

G = x^14 + x^22 + x^29 + 3*x^30 + x^38 + x^45 + 3*x^46 + x^53 + 2*x^54 + x^60 + 5*x^61 + 7*x^62 + x^70 + x^77 + 3*x^78 + x^85 + 2*x^86 + x^92 + 5*x^93 + 7*x^94 + x^101 + 2*x^102 + x^108 + 5*x^109 + 6*x^110 + x^116 + 4*x^117 + 4*x^118 + x^123 + 7*x^124 + 17*x^125 + 15*x^126 + ...

Crossrefs

Cf. A151755.

Sequence in context: A171063 A308229 A318673 * A008437 A366076 A324326

Adjacent sequences: A151792 A151793 A151794 * A151796 A151797 A151798

Keyword

nonn

Author

N. J. A. Sloane, Jun 26 2009

Status

approved