150264domain: NAppears in sequencesG.f.: 1/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)*(1-x^5))^2.at n=31A117487a(n) = (n^5 + 145*n^4 + 905*n^3 + 155*n^2 + 594*n + 120)/120.at n=17A143060A triangular array distributing the values of sequence A120380.at n=23A160645