Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

A231647

Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

Terms

    a(0) =22a(1) =341a(2) =7682a(3) =137961a(4) =2412274a(5) =42882766a(6) =765163605a(7) =13643499478a(8) =243317286312

External references