Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.

A206083

Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.

Terms

    a(0) =3258496a(1) =482548752a(2) =54618168204

External references