1391551domain: 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, 0, 0), (-1, 1, 1), (0, -1, 1), (0, 1, 0), (1, 1, -1)}.at n=13A148210Expansion of Product_{k>=1} (1 + x^k)^A000593(k).at n=34A301800