131284domain: 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, 0), (0, 1, 0), (1, 0, -1), (1, 0, 1)}.at n=9A150266G.f. A(x) satisfies: A(x)^2 - 2*A(x)^3 = -A(-x^2).at n=10A273320