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), (-1, 1, -1), (-1, 1, 1), (1, 0, 0), (1, 1, 0)}.
A150316
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), (-1, 1, -1), (-1, 1, 1), (1, 0, 0), (1, 1, 0)}.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =21a(4) =88a(5) =307a(6) =1373a(7) =5156a(8) =23757a(9) =93219a(10) =436802a(11) =1764928a(12) =8361824a(13) =34513404a(14) =164810322a(15) =691394058a(16) =3321137711a(17) =14112642022a(18) =68100605945a(19) =292419142044
External references
- oeis: A150316