Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.

A205463

Number of (n+1)X6 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock differing from each horizontal or vertical neighbor.

Terms

    a(0) =1285076a(1) =177411808a(2) =31625643196

External references