A049169 Recip transform of 2*(1 + x^4 + x^5 + x^6)-1/(1-x).

1, 1, 3, 11, 43, 181, 797, 3625, 16903, 80367, 388157, 1899093, 9392501, 46881963, 235863891, 1194811579, 6089105493, 31197589525, 160601295503, 830278627047, 4308870293511, 22439404479929, 117228234264769, 614197712145461

Offset

0,3

Comments

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

Links

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

Crossrefs

Sequence in context: A338999 A151099 A049184 * A049175 A049158 A151100

Adjacent sequences: A049166 A049167 A049168 * A049170 A049171 A049172

Keyword

nonn

Author

Olivier Gérard

Status

approved