Number of permutations of length n with equal cycles.
A005225
Number of permutations of length n with equal cycles.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =10a(4) =25a(5) =176a(6) =721a(7) =6406a(8) =42561a(9) =436402a(10) =3628801a(11) =48073796a(12) =479001601a(13) =7116730336a(14) =88966701825
External references
- oeis: A005225