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

A283493

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

Terms

    a(0) =0a(1) =1460a(2) =402588a(3) =44556288a(4) =5074155320a(5) =536229705204

External references