A012268 Duplicate of A009655.

0, 0, 2, 6, 22, 100, 788, 8568, 103416, 1307808, 17722512, 264361680, 4373968080

Offset

0,3

Links

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

Crossrefs

Sequence in context: A012270 A009585 A012267 * A009655 A002772 A000140

Adjacent sequences: A012265 A012266 A012267 * A012269 A012270 A012271

Keyword

dead

Status

approved