148889domain: 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, 1), (0, 1, -1), (0, 1, 0), (1, 0, 1), (1, 1, -1)}.at n=9A150269Positive numbers y such that y^2 is of the form x^2+(x+881)^2 with integer x.at n=10A159690