Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

A216080

Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =4a(2) =42a(3) =602a(4) =15144a(5) =433252a(6) =18378580a(7) =839621092a(8) =52183667212

External references