A049165 Recip transform of 2*(1 + x^3 + x^4 + x^6)-1/(1-x).

1, 1, 3, 9, 31, 113, 429, 1681, 6739, 27523, 114093, 478843, 2030689, 8688595, 37461651, 162604083, 709963053, 3116099485, 13740924463, 60847717965, 270470978627, 1206406375485, 5397984469009, 24222544060981

Offset

0,3

Comments

Sign diagram of generating sequence: +--++-+--------...

Links

Table of n, a(n) for n=0..23.

Crossrefs

Sequence in context: A056335 A276549 A049188 * A052709 A049179 A049154

Adjacent sequences: A049162 A049163 A049164 * A049166 A049167 A049168

Keyword

nonn

Author

Olivier Gérard

Status

approved