A012270 - OEIS

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A012270

Duplicate of A009585.

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

(list; graph; refs; listen; history; text; internal format)

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