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, 0, 0), (0, 0, 1), (1, -1, 1), (1, 0, -1), (1, 1, 0)}.
A150614
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, 0, 0), (0, 0, 1), (1, -1, 1), (1, 0, -1), (1, 1, 0)}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =27a(4) =112a(5) =482a(6) =2131a(7) =9611a(8) =43983a(9) =203562a(10) =950578a(11) =4471068a(12) =21155154a(13) =100596131a(14) =480366959a(15) =2302126528a(16) =11067205098a(17) =53348940963a(18) =257780356721
External references
- oeis: A150614