Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.

A205922

Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.

Terms

    a(0) =9144a(1) =104311a(2) =583542a(3) =7177505a(4) =40724536a(5) =535691452a(6) =3047588270a(7) =42247423238a(8) =240169745414

External references