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, 1), (1, 1, -1), (1, 1, 1)}.
A150964
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, 1), (1, 1, -1), (1, 1, 1)}.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =35a(4) =167a(5) =727a(6) =3563a(7) =16352a(8) =80886a(9) =381375a(10) =1894788a(11) =9081014a(12) =45223116a(13) =219008539a(14) =1092180415a(15) =5326794486a(16) =26587589777a(17) =130325490701a(18) =650857372682
External references
- oeis: A150964