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), (-1, 1, 0), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.
A150960
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), (-1, 1, 0), (1, 0, -1), (1, 0, 1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =35a(4) =163a(5) =712a(6) =3426a(7) =15779a(8) =76976a(9) =363443a(10) =1787471a(11) =8570544a(12) =42355174a(13) =205110427a(14) =1016787981a(15) =4957766892a(16) =24628442433a(17) =120679518683a(18) =600372856850
External references
- oeis: A150960