Sum over all n! permutations of n letters of maximum cycle length.

A028418

Sum over all n! permutations of n letters of maximum cycle length.

Terms

    a(0) =1a(1) =3a(2) =13a(3) =67a(4) =411a(5) =2911a(6) =23563a(7) =213543a(8) =2149927a(9) =23759791a(10) =286370151a(11) =3734929903a(12) =52455166063a(13) =788704078527

External references