11235798510domain: NAppears in sequencesDefine p(alpha) to be the number of H-conjugacy classes where H is a Young subgroup of type alpha of the symmetric group S_n. Then a(n) = sum p(alpha) where |alpha| = n and alpha has at most n parts.at n=10A124577Number of partitions of n into 10 sorts of parts.at n=10A246942