Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

A222998

Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Terms

    a(0) =10a(1) =272a(2) =11114a(3) =486262a(4) =21692365a(5) =982879508a(6) =45079248621

External references