Number of (n+1) X (1+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

A237672

Number of (n+1) X (1+1) 0..3 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =256a(1) =1564a(2) =9647a(3) =63000a(4) =412120a(5) =2668500a(6) =17280632a(7) =112196812a(8) =729345568a(9) =4730716616a(10) =30705881416a(11) =199250972104

External references