180048domain: NAppears in sequencesa(n) = n*(n+1)*(n+2)^2/6.at n=31A004320Sum of divisors of Ramanujan's highly composite numbers, or sigma(A002182(n)).at n=25A063072a(n) = sum of divisors of A094348(n).at n=28A182941Number of compositions of n such that the maximal distance between two identical parts equals one.at n=31A262192