Number of (n+1)X(3+1) 0..3 arrays with the upper median unequal to the lower median in every 2X2 subblock.

A235845

Number of (n+1)X(3+1) 0..3 arrays with the upper median unequal to the lower median in every 2X2 subblock.

Terms

    a(0) =16228a(1) =1133608a(2) =80556656a(3) =5778908484a(4) =415698469568

External references