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

A237146

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

Terms

    a(0) =48672a(1) =2463178a(2) =111073520a(3) =5913259332a(4) =302134028828

External references