Number of 3Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

A189265

Number of 3Xn binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally.

Terms

    a(0) =8a(1) =64a(2) =280a(3) =1156a(4) =4720a(5) =18960a(6) =74869a(7) =293495a(8) =1143065a(9) =4435997a(10) =17166670a(11) =66321486a(12) =255904884a(13) =986647975a(14) =3801894402a(15) =14644645685a(16) =56395631397a(17) =217139104510a(18) =835947689845

External references