549108domain: NAppears in sequencesNumber of compositions of n such that every part divides the largest part.at n=23A130708Number 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, 0, -1), (-1, 0, 1), (1, -1, 1), (1, 1, 0)}.at n=11A149207