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A273438 Number of endofunctions on [n] with exactly seven cycles. 2
1, 84, 4830, 243390, 11717013, 560544138, 27196758875, 1353285904971, 69495472079033, 3696068344472504, 203958595104203576, 11687491140975605592, 695597351310503327386, 42988755956609918306640, 2757417607812192585058358, 183451189952939198906121968 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..386

FORMULA

E.g.f.: -1/7! * log(1+LambertW(-x))^7.

CROSSREFS

Column k=7 of A060281.

Sequence in context: A075906 A075909 A132052 * A097840 A224177 A223869

Adjacent sequences:  A273435 A273436 A273437 * A273439 A273440 A273441

KEYWORD

nonn

AUTHOR

Alois P. Heinz, May 22 2016

STATUS

approved

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Last modified April 6 18:49 EDT 2020. Contains 333286 sequences. (Running on oeis4.)