Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.
A210275
Half the number of (n+1)X8 0..2 arrays with every 2X2 subblock having two or three distinct clockwise edge differences.
Terms
- a(0) =7895856a(1) =19537398722
External references
- oeis: A210275