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

A236823

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

Terms

    a(0) =1386a(1) =15254a(2) =168564a(3) =1949236a(4) =22695802a(5) =269108894a(6) =3207539588a(7) =38599508572a(8) =466275664500

External references