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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
OFFSET
3,1
LINKS
CROSSREFS
Column k=2 of A242027.
Sequence in context: A099346 A075184 A337902 * A326250 A308331 A245141
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 21 2014
STATUS
approved