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), (0, 0, -1), (0, 1, 0), (1, 0, 1), (1, 1, 1)}.
A151198
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), (0, 0, -1), (0, 1, 0), (1, 0, 1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =53a(4) =242a(5) =1123a(6) =5315a(7) =25443a(8) =122624a(9) =594555a(10) =2897359a(11) =14171079a(12) =69507304a(13) =341784562a(14) =1684170321a(15) =8312757257a(16) =41089063126a(17) =203356188085
External references
- oeis: A151198