1/16 the number of (n+1)X7 binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.
A183808
1/16 the number of (n+1)X7 binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.
Terms
- a(0) =243a(1) =4341a(2) =70044a(3) =1232595a(4) =20745787a(5) =360549804a(6) =6153770375a(7) =106324742825
External references
- oeis: A183808