Number of walks of length 2n on cubic lattice, starting and finishing at origin and staying in first (nonnegative) octant.
A064037
Number of walks of length 2n on cubic lattice, starting and finishing at origin and staying in first (nonnegative) octant.
Terms
- a(0) =1a(1) =3a(2) =24a(3) =285a(4) =4242a(5) =73206a(6) =1403028a(7) =29082339a(8) =640672890a(9) =14818136190a(10) =356665411440
External references
- oeis: A064037