Number of 4 X n binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.
A228685
Number of 4 X n binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.
Terms
- a(0) =16a(1) =41a(2) =313a(3) =1152a(4) =6737a(5) =28977a(6) =152048a(7) =699833a(8) =3508329a(9) =16628064a(10) =81753697a(11) =392401121a(12) =1913315024a(13) =9233466953a(14) =44861599897a(15) =217002245696
External references
- oeis: A228685