Half the number of 9 X n binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
A069435
Half the number of 9 X n binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
Terms
- a(0) =255a(1) =127710a(2) =62820362a(3) =30539121806
External references
- oeis: A069435