54330domain: 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), (1, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=8A150781G.f. A(x) satisfies: A( x - A(x)^2/(1 - A(x))^2 ) = x.at n=6A389476