Half the number of 4 X n binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
A069430
Half the number of 4 X n binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.
Terms
- a(0) =7a(1) =88a(2) =1074a(3) =13002a(4) =157058a(5) =1896074a(6) =22886754a(7) =276246170a(8) =3334295986a(9) =40244915946a(10) =485755429442
External references
- oeis: A069430