Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.

A237691

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal.

Terms

    a(0) =23838a(1) =305054a(2) =4021892a(3) =57342898a(4) =832743124a(5) =12585917094a(6) =194171070966

External references