Number of 4Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.
A189906
Number of 4Xn binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally.
Terms
- a(0) =15a(1) =225a(2) =3375a(3) =35656a(4) =372850a(5) =3833322a(6) =39048081a(7) =395408137a(8) =3984364191a(9) =40031462211a(10) =401659633507
External references
- oeis: A189906