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

A237805

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

Terms

    a(0) =4251a(1) =65777a(2) =932255a(3) =14666689a(4) =226466977a(5) =3610379651a(6) =57208751041a(7) =917186234601

External references