Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of a 5Xn array with new integer colors introduced in row major order.
A216463
Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of a 5Xn array with new integer colors introduced in row major order.
Terms
- a(0) =5a(1) =15a(2) =322a(3) =4140a(4) =580479a(5) =18171918a(6) =6423148007a(7) =346212390266
External references
- oeis: A216463