140125domain: NAppears in sequencesStructured triakis icosahedral numbers (vertex structure 4).at n=24A100172Number 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, 0), (-1, 1, 0), (0, 0, 1), (1, 0, -1)}.at n=13A148074