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, 0), (-1, -1, 1), (0, 0, -1), (0, 1, 0), (1, 1, 1)}.
A150594
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, 0), (-1, -1, 1), (0, 0, -1), (0, 1, 0), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =27a(4) =107a(5) =438a(6) =1845a(7) =7908a(8) =34303a(9) =150348a(10) =664775a(11) =2960079a(12) =13257289a(13) =59674848a(14) =269793959a(15) =1224411921a(16) =5575399047a(17) =25463488884a(18) =116605425929a(19) =535256505307
External references
- oeis: A150594