Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.
A210382
Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences.
Terms
- a(0) =73a(1) =13399a(2) =18515113a(3) =192819707871
External references
- oeis: A210382