Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.

A205518

Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.

Terms

    a(0) =160218a(1) =6127554a(2) =312856410a(3) =15535355076a(4) =764670893556

External references