Number of n X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.
A228654
Number of n X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =2a(2) =34a(3) =416a(4) =24109a(5) =1482892a(6) =337258048a(7) =99770848656
External references
- oeis: A228654