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, -1, 1), (1, 0, -1), (1, 0, 1), (1, 1, 0)}.
A150796
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, -1, 1), (1, 0, -1), (1, 0, 1), (1, 1, 0)}.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =31a(4) =131a(5) =568a(6) =2533a(7) =11484a(8) =52740a(9) =244775a(10) =1145293a(11) =5394930a(12) =25554213a(13) =121607175a(14) =581024653a(15) =2785571235a(16) =13394614382a(17) =64577293261a(18) =312054970029
External references
- oeis: A150796