335145domain: NAppears in sequencesFibonacci sequence beginning 1, 30.at n=21A022400Number 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, 1, 1), (1, 0, 0), (1, 1, -1), (1, 1, 1)}.at n=9A150828