Number of diagonal and antidiagonal neighbor colorings of the odd squares of an n X n array with new integer colors introduced in row major order.

A215920

Number of diagonal and antidiagonal neighbor colorings of the odd squares of an n X n array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =602a(4) =322768a(5) =33093356640

External references