A136280 Twice A136279.

0, 0, 2, 24, 86, 326, 16848, 1165538, 80584148

Offset

1,3

Comments

Another version of A136279 (appropriate since each 2-cycle has two members).

Links

Table of n, a(n) for n=1..9.

Crossrefs

Sequence in context: A119050 A119068 A068379 * A123831 A138648 A172225

Adjacent sequences: A136277 A136278 A136279 * A136281 A136282 A136283

Keyword

nonn

Author

Don Knuth, Mar 26 2008

Status

approved