Number of n X n binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.
A228500
Number of n X n binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =1a(2) =12a(3) =87a(4) =2002a(5) =59839a(6) =3862849a(7) =405580157a(8) =81304395949
External references
- oeis: A228500