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

A235844

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

Terms

    a(0) =1584a(1) =42080a(2) =1133608a(3) =30740652a(4) =835207356a(5) =22709045764a(6) =617598961676

External references