Half the number of (n+1)X7 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
A184611
Half the number of (n+1)X7 binary arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.
Terms
- a(0) =4450a(1) =188394a(2) =8066003a(3) =371916790a(4) =16993352260a(5) =771907128421
External references
- oeis: A184611