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%I #5 Mar 31 2012 12:36:03
%S 1000,62112,2237680,86568360,3364965408,130602553784,5075186680192,
%T 197100662468008,7655862674452520,297368484380040776,
%U 11550455726950210912,448643489297533349952,17426238812878704288568
%N Number of (n+1)X7 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace
%C Column 6 of A185750
%H R. H. Hardin, <a href="/A185747/b185747.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 3X7
%e ..1..0..0..1..0..0..0....1..0..1..1..0..1..0....1..1..1..0..0..1..1
%e ..0..0..0..1..0..0..0....1..1..1..0..0..1..0....1..1..1..0..1..1..1
%e ..0..1..0..1..0..1..1....1..1..0..0..1..1..0....1..1..1..0..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 01 2011
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