159224domain: NAppears in sequencesThe sum of the next n terms of A114103.at n=25A114105Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, -1), (0, 1), (1, 1)}.at n=9A151299