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%I #4 Feb 09 2014 06:57:42
%S 78144,848720,10006572,126608036,1518590620,18615658788,228407442348,
%T 2815624842216,34622654326396,426711928933956,5256027075309008,
%U 64952936868637728,801390531899833876,9893047120797868268
%N Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
%C Column 6 of A237567
%H R. H. Hardin, <a href="/A237565/b237565.txt">Table of n, a(n) for n = 1..84</a>
%e Some solutions for n=1
%e ..0..0..1..2..0..2..0....1..1..1..0..2..2..1....2..1..0..0..1..1..0
%e ..0..2..0..1..0..0..1....0..2..2..1..2..1..2....2..2..2..2..0..2..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 09 2014
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