Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards.

A205933

Number of (n+1)X7 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards.

Terms

    a(0) =28259556a(1) =29707151720

External references