Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal.

A237240

Number of (n+1)X(6+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal.

Terms

    a(0) =1395200a(1) =76825568a(2) =4449131420a(3) =278128391716

External references