91729domain: NAppears in sequencesNumber of 3 X 3 X 3 magic cubes with sum 3n.at n=13A070302Triangle generated by T(n,k) = q^k*T(n-1, k) + T(n-1, k-1), with q=4.at n=18A176244Expansion of e.g.f. exp( (-LambertW(-x^3))^(1/3) ).at n=9A362293