Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.

A283385

Number of nX7 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =1734a(2) =257416a(3) =20788531a(4) =1644385909a(5) =120672330232

External references