253764domain: NAppears in sequencesMembers of A085844 which are permutations of other members of A085844.at n=10A085847Triangle read by rows of the numbers T(n,k) (n > 1, 0 < k < n) of set partitions of n of length k which do not have a proper subset of parts with a union equal to a subset {1,2,...,j} with j < n.at n=61A087903