Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal.

A237297

Number of (n+1)X(5+1) 0..3 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal.

Terms

    a(0) =145488a(1) =4167736a(2) =134597244a(3) =4821666340a(4) =181211467948

External references