Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 5Xn array with new integer colors introduced in row major order.

A216087

Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 5Xn array with new integer colors introduced in row major order.

Terms

    a(0) =2a(1) =27a(2) =203a(3) =15144a(4) =373780a(5) =87852160a(6) =4044766240

External references