42575domain: 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, -1, 1), (0, 1, -1), (1, 0, 1), (1, 1, -1), (1, 1, 0)}.at n=8A150602Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero.at n=13A208826