84819domain: NAppears in sequencesNumber of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (0, 1, 1), (1, -1, -1), (1, 0, -1)}.at n=10A148869Expansion of Product_{k>=1} (1 + x^k - x^(3*k)) / (1 - x^k).at n=31A266650