346922domain: 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, -1), (-1, 0, 1), (0, 1, -1), (1, -1, 1), (1, 0, 1)}.at n=11A148865a(n) = 6561*n^2 - 9558*n + 3482.at n=8A156773