A049162 Recip transform of 2*(1 + x^3 + x^6)-1/(1-x).

1, 1, 3, 9, 33, 127, 517, 2173, 9379, 41295, 184789, 837903, 3841603, 17778605, 82941987, 389655675, 1841797725, 8752809573, 41796432863, 200446855069, 965032948861, 4662392162883, 22597566894457, 109845197218921

Offset

0,3

Comments

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

Links

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

Crossrefs

Sequence in context: A364211 A148998 A049185 * A049176 A049151 A254036

Adjacent sequences: A049159 A049160 A049161 * A049163 A049164 A049165

Keyword

nonn

Author

Olivier Gérard

Status

approved