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%I #3 Mar 31 2012 12:35:09
%S 1,1,1,1,5,1,21,9,145,29,1925,153,28297,2069,734141,42313,33360929,
%T 973281,2205341673,38746505,212529048997,2736250609,33748456381053,
%U 283141781389,8526059147670681,43072398238613,3258206098233834291
%N Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 2X3 U in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.0.0.0
%e .1.0.1.0.0.1.0.1
%e .1.1.1.0.0.1.1.1
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.0.0
%e .1.1.1.0.0.1.1.1
%e .1.0.1.0.0.1.0.1
%e .0.0.0.0.0.0.0.0
%K nonn
%O 1,5
%A _R. H. Hardin_, Oct 26 2008
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