Number of endofunctions on [n] where the smallest cycle length equals 4.

A246191

Number of endofunctions on [n] where the smallest cycle length equals 4.

Terms

    a(0) =6a(1) =120a(2) =2160a(3) =41160a(4) =861420a(5) =19949328a(6) =510320160a(7) =14348862000a(8) =440879024520

External references