Number of (n+1)X8 0..1 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.

A203377

Number of (n+1)X8 0..1 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.

Terms

    a(0) =8748a(1) =323852a(2) =12301020a(3) =471988172a(4) =18189909480a(5) =702420750924

External references