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), (0, 1, -1), (1, 0, 0), (1, 1, 0), (1, 1, 1)}.
A151192
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), (0, 1, -1), (1, 0, 0), (1, 1, 0), (1, 1, 1)}.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =52a(4) =235a(5) =1101a(6) =5220a(7) =25095a(8) =121545a(9) =592284a(10) =2899874a(11) =14245601a(12) =70184982a(13) =346528860a(14) =1714063397a(15) =8490860344a(16) =42111682813a(17) =209073230631
External references
- oeis: A151192