72219domain: NAppears in sequencesNumber of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, 1, -1), (1, -1, 1), (1, 0, 1), (1, 1, 0)}.at n=8A150876Sqrt(sigma(A008847(n)^2)), where A008847 lists m such that sigma(m^2) is a square.at n=11A163763