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

A237147

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

Terms

    a(0) =289648a(1) =30395540a(2) =2747051348a(3) =302134028828

External references