Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 7Xn array with new integer colors introduced in row major order.

A216089

Number of horizontal and antidiagonal neighbor colorings of the odd squares of a 7Xn array with new integer colors introduced in row major order.

Terms

    a(0) =5a(1) =409a(2) =21147a(3) =18378580a(4) =5116799368

External references