%I #4 Mar 31 2012 12:35:10
%S 1,1,1,1,1,1,1,11,23,43,147,439,1275,4541,20063,98055,505355,2950723,
%T 18858815,128249637,989759495,8490117733
%N Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0110-0011 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.1.1.0
%e .1.0.0.0.1.1.0.0
%e .1.1.0.1.1.0.0.0
%e .0.1.1.0.0.1.0.0
%e .0.0.1.0.0.1.1.0
%e .0.0.0.1.1.0.1.1
%e .0.0.1.1.0.0.0.1
%e .0.1.1.0.0.0.0.0
%K nonn
%O 1,8
%A _R. H. Hardin_
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