Number of (n+1) X 6 0..3 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors.

A205941

Number of (n+1) X 6 0..3 arrays with no 2 X 2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases in its adjacent leftward or upward neighbors.

Terms

    a(0) =656272a(1) =4601832a(2) =59081744a(3) =692354440a(4) =8605131924a(5) =103395482496

External references