Number of endofunctions on [n] such that the LCM of their cycle lengths equals nine.

A291115

Number of endofunctions on [n] such that the LCM of their cycle lengths equals nine.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =40320a(10) =4032000a(11) =266112000a(12) =15008716800a(13) =794060467200

External references