Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.

A222613

Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Terms

    a(0) =5a(1) =40a(2) =181a(3) =5746a(4) =60550a(5) =2921905a(6) =43650470a(7) =2748085305a(8) =44499006072

External references