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

A283230

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

Terms

    a(0) =0a(1) =272a(2) =37869a(3) =2875836a(4) =188295479a(5) =11220964804a(6) =628267302565

External references