Number of (n+1)X(n+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.

A235903

Number of (n+1)X(n+1) 0..2 arrays with the minimum plus the maximum unequal to the lower median plus the upper median in every 2X2 subblock.

Terms

    a(0) =48a(1) =2618a(2) =499136a(3) =345346064a(4) =857962921984

External references