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A246283 Number of endofunctions on [n] with cycles of two distinct lengths. 2
3, 50, 825, 14794, 294987, 6547946, 160994565, 4355845868, 128831993037, 4139915120692, 143730813561387, 5364402750234722, 214267821055280535, 9122448969654942398, 412494871628188325985, 19745497885965416922364, 997667658771538572210069 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 3..200

CROSSREFS

Column k=2 of A242027.

Sequence in context: A099346 A075184 A337902 * A326250 A308331 A245141

Adjacent sequences:  A246280 A246281 A246282 * A246284 A246285 A246286

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 21 2014

STATUS

approved

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Last modified August 2 08:47 EDT 2021. Contains 346422 sequences. (Running on oeis4.)