Number of nX4 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally.
A189156
Number of nX4 binary arrays without the pattern 0 0 1 1 diagonally, vertically or horizontally.
Terms
- a(0) =15a(1) =225a(2) =3375a(3) =37976a(4) =424401a(5) =4597967a(6) =48460966a(7) =507947896a(8) =5289780940a(9) =54890361712a(10) =568739622865
External references
- oeis: A189156