Number of (n+1) X (5+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237919

Number of (n+1) X (5+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.