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, 1), (-1, 1, 1), (1, -1, 1), (1, 1, 0)}.
A149314
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, 1), (-1, 1, 1), (1, -1, 1), (1, 1, 0)}.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =11a(4) =50a(5) =167a(6) =771a(7) =2807a(8) =13280a(9) =51002a(10) =243916a(11) =970970a(12) =4674782a(13) =19064034a(14) =92340774a(15) =383539818a(16) =1864849365a(17) =7858691140a(18) =38326717947a(19) =163387754402a(20) =798855263483
External references
- oeis: A149314