170702domain: 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), (-1, 0, 0), (-1, 1, -1), (1, -1, 1), (1, 1, 0)}.at n=10A149216Numbers that can be written in exactly two different ways in the form described by A387302.at n=29A387898