Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically.
A208074
Number of nX4 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 0 vertically.
Terms
- a(0) =10a(1) =100a(2) =510a(3) =2601a(4) =16065a(5) =99225a(6) =572040a(7) =3297856a(8) =19523816a(9) =115584001a(10) =677087229a(11) =3966354441a(12) =23333593542a(13) =137268768004a(14) =806149925790
External references
- oeis: A208074