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

A283231

Number of nX7 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) =1376a(2) =338397a(3) =47531178a(4) =5735340380a(5) =628267302565

External references