472735domain: 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, 0), (-1, 1, -1), (-1, 1, 1), (0, 1, -1), (1, 0, 1)}.at n=11A149203Number of strings of numbers x(i=1..7) in 0..n with sum i*x(i) equal to n*7.at n=15A184707