Number of endofunctions on [n] whose cycle lengths are divisors of n.

A246531

Number of endofunctions on [n] whose cycle lengths are divisors of n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =18a(4) =224a(5) =1320a(6) =42552a(7) =262864a(8) =12232320a(9) =169594560a(10) =6117023600a(11) =61920993024

External references