Number of idempotents of rank 1 in partition monoid P_n.
A256033
Number of idempotents of rank 1 in partition monoid P_n.
Terms
- a(0) =1a(1) =5a(2) =43a(3) =529a(4) =8451a(5) =167397a(6) =3984807a(7) =111319257a(8) =3583777723a(9) =131082199809
External references
- oeis: A256033