Number of (n+1) X (2+1) 0..3 arrays colored with the upper median plus the lower median minus the minimum of every 2 X 2 subblock.

A236196

Number of (n+1) X (2+1) 0..3 arrays colored with the upper median plus the lower median minus the minimum of every 2 X 2 subblock.

Terms

    a(0) =2936a(1) =76340a(2) =1971348a(3) =51179036a(4) =1330663048a(5) =34586439766a(6) =898451728732

External references