Number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.

A205915

Number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.

Terms

    a(0) =218034a(1) =2554848a(2) =93488811a(3) =3820547082a(4) =157611325827

External references