A273437 Number of endofunctions on [n] with exactly six cycles.

1, 63, 2842, 116172, 4654713, 189142107, 7923937307, 345104368752, 15688849238062, 745831503236820, 37094603885430728, 1929672890969261256, 104918114960824458448, 5956513043619244790970, 352719666690509340493680, 21759830035878816514854144

Offset

6,2

Links

Alois P. Heinz, Table of n, a(n) for n = 6..386

Formula

E.g.f.: 1/6! * log(1+LambertW(-x))^6.

Crossrefs

Column k=6 of A060281.

Sequence in context: A006110 A132051 A167987 * A069381 A051589 A203457

Adjacent sequences: A273434 A273435 A273436 * A273438 A273439 A273440

Keyword

nonn

Author

Alois P. Heinz, May 22 2016

Status

approved