Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237404

Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =81a(1) =1632a(2) =53167a(3) =3604930a(4) =480758688a(5) =101410470742

External references