Number of irreducible idempotents in partition monoid P_n.
A256034
Number of irreducible idempotents in partition monoid P_n.
Terms
- a(0) =2a(1) =8a(2) =58a(3) =648a(4) =9794a(5) =187302a(6) =4353920a(7) =119604518a(8) =3803405406a(9) =137828444548
External references
- oeis: A256034