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%I #4 Mar 31 2012 12:35:11
%S 1,1,1,1,1,1,19,31,777,1691,27963,75639,2292715,7576569,826036495,
%T 3496134625,778953197867,4202373389229,1495755903085789,
%U 10132125701626967,6580332072056181975,55813749926331270805
%N Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-0111-0001 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.1.1.0.0.1.1.0
%e .0.1.0.0.0.0.1.0
%e .1.1.0.0.0.0.1.1
%e .1.0.0.0.0.0.0.1
%e .0.0.1.0.0.1.0.0
%e .0.1.1.0.0.1.1.0
%e .0.1.0.0.0.0.1.0
%e .1.1.0.0.0.0.1.1
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008