Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order.

A216458

Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order.

Terms

    a(0) =2a(1) =5a(2) =203a(3) =3429a(4) =580479a(5) =20880505a(6) =8195008751a(7) =484968748793

External references