A273439 Number of endofunctions on [n] with exactly eight cycles.

1, 108, 7710, 469590, 26750823, 1488656598, 82839614429, 4672159568505, 269240651261153, 15931093968844912, 970803214965494976, 61032579212845013280, 3962346372673358180536, 265758042459395190801852, 18415788640437877637900864, 1318210727391112435230475378

Offset

8,2

Links

Alois P. Heinz, Table of n, a(n) for n = 8..386

Formula

E.g.f.: 1/8! * log(1+LambertW(-x))^8.

Crossrefs

Column k=8 of A060281.

Sequence in context: A269210 A299857 A132053 * A164748 A269093 A113853

Adjacent sequences: A273436 A273437 A273438 * A273440 A273441 A273442

Keyword

nonn

Author

Alois P. Heinz, May 22 2016

Status

approved