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

A235843

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

Terms

    a(0) =156a(1) =1584a(2) =16228a(3) =166816a(4) =1716484a(5) =17668128a(6) =181881988a(7) =1872430816a(8) =19276479364a(9) =198450294432

External references