84709domain: NAppears in sequencesAntidiagonal sums of square array A082011.at n=28A082014Number 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, 0, 0), (0, 0, -1), (1, -1, 1), (1, 1, 1)}.at n=9A149674