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

A236801

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

Terms

    a(0) =81a(1) =1435a(2) =85929a(3) =16530709a(4) =6612746409

External references