Number of (n+1) X 5 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.

A205913

Number of (n+1) X 5 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) =8655a(1) =60108a(2) =875760a(3) =14150391a(4) =231526056a(5) =3820547082a(6) =63265158237

External references