93309domain: 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, -1, 1), (1, 0, 0), (1, 1, -1)}.at n=11A148252Number of length n+6 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=12A255113