Number of endofunctions on [n] whose cycle lengths are divisors of 7.

A246527

Number of endofunctions on [n] whose cycle lengths are divisors of 7.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =16a(4) =125a(5) =1296a(6) =16807a(7) =262864a(8) =4829049a(9) =102073600a(10) =2441582891a(11) =65201946624

External references