Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

A206324

Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

Terms

    a(0) =673124a(1) =81302880a(2) =13817572060

External references