174519domain: NAppears in sequencesNumber of fountains of n coins.at n=24A005169Number 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), (1, 0, 0)}.at n=10A151029