References to A148678

Number 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, -1, 0), (-1, 1, 0), (0, 0, -1), (1, 0, 1)}
1, 1, 3, 7, 21, 73, 229, 761, 2671, 9387, 34743, 127299, 462043, 1736519, 6577091

1 seqfan posts