%I #4 Feb 08 2014 10:46:06
%S 5622,50876,462206,4882448,52177092,519582770,5108133318,52155298022,
%T 537071054554,5420999342862,54393533093146,551833483245856,
%U 5620112241265276,56889163783976186,574408442415242094
%N Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 4 of A237511
%H R. H. Hardin, <a href="/A237507/b237507.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..1..0..1..0..2....2..0..1..2..1....1..1..1..2..0....0..2..1..0..1
%e ..0..2..2..0..0....1..0..1..2..0....2..0..1..0..2....2..1..2..2..1
%e ..0..2..1..2..1....2..2..1..1..0....1..2..1..1..1....1..0..2..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 08 2014
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