A012270 Duplicate of A009585.

0, 0, 2, 6, 22, 100, 668, 6048, 64776, 763488, 9676152, 131167080, 1900043880

Offset

0,3

Links

Table of n, a(n) for n=0..12.

Crossrefs

Sequence in context: A376694 A052517 A245119 * A009585 A012267 A012268

Adjacent sequences: A012267 A012268 A012269 * A012271 A012272 A012273

Keyword

dead

Status

approved