A246283 Number of endofunctions on [n] with cycles of two distinct lengths.

3, 50, 825, 14794, 294987, 6547946, 160994565, 4355845868, 128831993037, 4139915120692, 143730813561387, 5364402750234722, 214267821055280535, 9122448969654942398, 412494871628188325985, 19745497885965416922364, 997667658771538572210069

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