611103domain: NAppears in sequencesG.f.: 1/Product_{k>0} (1-x^k)^A000669(k+1).at n=13A106606Number 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, -1, 1), (0, 1, 1), (1, 1, 0)}.at n=10A150503