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%I #4 Feb 13 2014 06:16:40
%S 4480,34738,241036,2255544,21945828,224887166,2190136632,22128390502,
%T 219294978892,2263239636542,22181833888852,224201209378826,
%U 2226499586806600,22921406632543048,225237458530202824
%N Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 4 of A237779
%H R. H. Hardin, <a href="/A237775/b237775.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..2..1..1..2..2....0..1..0..2..1....0..1..1..0..0....2..2..1..1..2
%e ..1..1..0..1..0....1..1..2..0..0....0..0..0..0..0....2..1..1..1..1
%e ..0..1..2..2..0....0..2..1..0..2....1..1..0..0..1....0..1..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 13 2014
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