3087370domain: 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, 0, 1), (0, 1, 0), (0, 1, 1), (1, 0, 1)}.at n=10A151243Number of faces of dimension n in a spherical triangulation of the manifold OP^2.at n=8A202292