473183domain: NAppears in sequencesNumber of bipartite partitions of n white objects and 2 black ones.at n=37A000291Number 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, -1, 0), (-1, 0, 1), (-1, 1, -1), (1, 0, 0)}.at n=15A148007