82313domain: NAppears in sequencesa(n) = ceiling((n + 1/2)^3).at n=42A034131Number 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, 0, 1), (0, 0, -1), (0, 1, -1), (1, 1, 1)}.at n=9A149696