131648domain: NAppears in sequencesNumber of walks on cubic lattice.at n=21A005571Numbers whose cube is of the form a^5 + b^5 - c^5 with a >= b > 0 and c not in {a,b}.at n=11A257298G.f. = Phi^2*F^4, where Phi = g.f. for A028930, F = g.f. for A028959.at n=20A328535