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, 0, 0), (0, 0, 1), (1, 0, 1), (1, 1, -1)}
1, 2, 7, 24, 96, 390, 1640, 7003, 30629, 135960, 610766, 2762496, 12597678
2 seqfan posts
Sat Jan 15 16:12:09 CET 2011 [seqfan] Re: Using webcam to search for "more" sequences