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%I #4 Mar 31 2012 12:35:09
%S 1,1,3,1,7,1,104,73,2290,889,152134,23481,12486576,1748579,3428631159,
%T 537394622,1970919353906,210642575089,2518403936450056,
%U 171343684579928,6431595589741779276,356508319334901141,39444600664282424525228
%N Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-110 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.0.0.0.0.1.1
%e .1.1.1.0.0.1.1.1
%e .1.1.0.0.0.0.1.1
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.0.0
%e .0.1.0.0.0.0.1.0
%e .1.1.1.0.0.1.1.1
%e .1.1.1.0.0.1.1.1
%K nonn
%O 1,3
%A _R. H. Hardin_