Number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the even squares of an n X 7 array with new integer colors introduced in row major order.
A215846
Number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the even squares of an n X 7 array with new integer colors introduced in row major order.
Terms
- a(0) =1a(1) =5a(2) =52a(3) =8460a(4) =908408a(5) =1590366402a(6) =621070325112
External references
- oeis: A215846