Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

A206064

Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

Terms

    a(0) =81a(1) =606a(2) =27654a(3) =2991276a(4) =759076386a(5) =452464863480

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