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

A237208

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

Terms

    a(0) =117800a(1) =3795060a(2) =107553623a(3) =3917422192a(4) =131209756954

External references