416185domain: NAppears in sequencesRelated to n-th powers of polynomials: factors complementary to A005730.at n=47A005731a(n) = (n-1)*(2*n-1)*(3*n-1)*(4*n-1).at n=12A033593Expansion of e.g.f.: (1-12*x)^(-11/12).at n=4A346896