5430405domain: NAppears in sequencesExpansion of 1/((1-x) * (1-4*x) * (1-7*x) * (1-10*x)).at n=6A021874Galton triangle T(n, k) = T(n-1, k-1) + (3k-2)*T(n-1, k) read by rows.at n=48A111577