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

A246214

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

Terms

    a(0) =6a(1) =150a(2) =3240a(3) =72030a(4) =1719060a(5) =44520840a(6) =1252364400a(7) =38167414560

External references