810060domain: 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, 0), (0, -1, 0), (0, 1, 0), (1, 1, 0), (1, 1, 1)}.at n=9A151237a(n) = 900*n^2 + 2*n.at n=29A158406a(n) = n*(n^3 + 2).at n=30A185065