Half the number of n X 9 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
A069447
Half the number of n X 9 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
Terms
- a(0) =256a(1) =1731840a(2) =3334295986
External references
- oeis: A069447