91053domain: 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), (0, 0, -1), (0, 0, 1), (1, 0, 1)}.at n=9A150338Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=19A192975