Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors.

A283278

Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors.

Terms

    a(0) =16a(1) =176a(2) =1725a(3) =18320a(4) =191025a(5) =1994338a(6) =20834848a(7) =217606715a(8) =2272854285a(9) =23739463489a(10) =247953137446

External references