5883984domain: NAppears in sequencesTheta series of direct sum of 6 copies of D_4 lattice.at n=4A008662Number 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, 0), (0, -1, 0), (0, 1, -1), (1, 1, 0)}.at n=13A149173