Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.

A284073

Number of nX6 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =176a(2) =31898a(3) =2696970a(4) =189363893a(5) =11888242488a(6) =700044712076

External references