Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.

A236874

Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal.

Terms

    a(0) =253269a(1) =8629071a(2) =268846043a(3) =9850162103a(4) =349860145439

External references