349108domain: 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, 1), (0, -1, 1), (0, 1, -1), (1, 0, 0), (1, 1, 1)}.at n=9A150877Number of n-step walks (each step +-1 starting from 0) which are never more than 5 or less than -5.at n=19A216241