a(n) = n^3*8^n.A128794a(n) = n^3*8^n.Terms a(0) =0a(1) =8a(2) =512a(3) =13824a(4) =262144a(5) =4096000a(6) =56623104a(7) =719323136a(8) =8589934592a(9) =97844723712External referencesoeis: A128794