116785domain: 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, -1, 1), (-1, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=12A148223Expansion of (1-3*x^2) / (1-x-5*x^2+x^3+2*x^4).at n=13A384640