Number of (n+1)X6 0..3 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors.

A205656

Number of (n+1)X6 0..3 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and no 2 X 2 subblock having the same number of counterclockwise edge increases as its vertical neighbors.

Terms

    a(0) =986388a(1) =7919128a(2) =57716364a(3) =639426584a(4) =7578064080a(5) =88431310744

External references