162904domain: NAppears in sequencesTriangle read by rows: matrix 4th power of the Stirling2 triangle A008277.at n=23A039812Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (1, 0, 1), (1, 1, -1)}.at n=11A148803