1/4 the number of (n+1)X8 0..3 arrays with every 2X2 subblock having one or three distinct clockwise edge differences.
A210076
1/4 the number of (n+1)X8 0..3 arrays with every 2X2 subblock having one or three distinct clockwise edge differences.
Terms
- a(0) =21997263a(1) =62718516080
External references
- oeis: A210076