20160074domain: NAppears in sequencesOne less than number of n-multisets chosen from a 10-set.at n=22A035927Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-2)/3.at n=30A048016Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-3)/3.at n=30A048027