Number of set partitions of [n^2] that are invariant under a permutation consisting of n n-cycles.
A293850
Number of set partitions of [n^2] that are invariant under a permutation consisting of n n-cycles.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =42a(4) =931a(5) =6078a(6) =560124a(7) =3451290a(8) =504673027a(9) =10212362573
External references
- oeis: A293850