1/16 the number of (n+1)X5 binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.
A183806
1/16 the number of (n+1)X5 binary arrays with no 2X2 subblock being a reflection across the shared element pair of any horizontal or vertical neighbor.
Terms
- a(0) =27a(1) =237a(2) =1953a(3) =16953a(4) =143191a(5) =1232595a(6) =10494847a(7) =89998565a(8) =768481445a(9) =6579905737a(10) =56244325315a(11) =481279798699
External references
- oeis: A183806