Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of a 7Xn array with new integer colors introduced in row major order.
A216465
Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of a 7Xn array with new integer colors introduced in row major order.
Terms
- a(0) =15a(1) =203a(2) =36401a(3) =4213597a(4) =8195008751
External references
- oeis: A216465