Number of n X n binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally.

A189773

Number of n X n binary arrays without the pattern 1 0 0 1 diagonally, vertically or horizontally.

Terms

    a(0) =2a(1) =16a(2) =512a(3) =37976a(4) =7767740a(5) =3848548036

External references