142152domain: NAppears in sequencesSixth column (r=5) of FS(3) staircase array A062745.at n=23A062749Number 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, 0, 0), (0, 0, -1), (0, 1, 0), (1, 1, 1)}.at n=9A150591