86962domain: NAppears in sequencesAntidiagonal sums of table A083047.at n=18A083049Number 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), (0, 1, 0), (1, 0, 0), (1, 1, -1)}.at n=10A149846