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, 0, -1), (0, 1, 1), (1, 0, 0), (1, 0, 1)}.
A151079
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, 0, -1), (0, 1, 1), (1, 0, 0), (1, 0, 1)}.
Terms
- a(0) =1a(1) =3a(2) =10a(3) =41a(4) =168a(5) =727a(6) =3219a(7) =14385a(8) =65613a(9) =300679a(10) =1392830a(11) =6492134a(12) =30415783a(13) =143309584a(14) =677504561a(15) =3216099178a(16) =15311310131a(17) =73103177454a(18) =349911386579
External references
- oeis: A151079