Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order.
A216459
Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order.
Terms
- a(0) =5a(1) =52a(2) =17733a(3) =2711768a(4) =6423148007
External references
- oeis: A216459