239047domain: NAppears in sequencesa(n) = n + (n-1)*(n-2) + (n-3)*(n-4)*(n-5) + (n-6)*(n-7)*(n-8)*(n-9) + ... + ...*1.at n=23A239519Number of multisets of nonempty strict integer partitions with a total of n parts and total sum of 2n.at n=19A360784E.g.f. satisfies A(x) = exp( x * (1+x)^2 * A(x) ).at n=6A362772