Number of nX5 0..2 arrays with exactly floor(nX5/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

A223113

Number of nX5 0..2 arrays with exactly floor(nX5/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Terms

    a(0) =16a(1) =832a(2) =64346a(3) =9329085a(4) =713593552a(5) =107964680902

External references