8972896domain: 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, 0), (-1, 1, -1), (1, 0, -1), (1, 0, 1), (1, 1, 0)}.at n=12A150354Number of ways to place 6 nonattacking knights on an n X n toroidal board.at n=7A172533