Number of walks on square lattice.
A005569
Number of walks on square lattice.
Terms
- a(0) =4a(1) =34a(2) =308a(3) =3024a(4) =31680a(5) =349206a(6) =4008004a(7) =47530912a(8) =579058896a(9) =7215393640a(10) =91644262864
External references
- oeis: A005569