Number of (n+1)X8 0..2 arrays with every 2X2 subblock having one, three or four distinct clockwise edge differences.
A209959
Number of (n+1)X8 0..2 arrays with every 2X2 subblock having one, three or four distinct clockwise edge differences.
Terms
- a(0) =18289737a(1) =54603359537
External references
- oeis: A209959