%I #4 Mar 31 2012 12:35:14
%S 1,1,1,1,1,9,25,67,375,1415,11011,122823,1158135,14699219,232067021,
%T 4207284521,106772232239,3295265497287,118967291277627,
%U 5362038267435757,294471642312195023,20044933173937086949
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1101-1111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.1.1.0.1.0.0
%e .0.0.1.1.1.1.0.0
%e .1.1.0.0.0.0.1.1
%e .1.1.0.0.0.0.0.1
%e .0.1.0.0.0.0.1.1
%e .1.1.0.0.0.0.1.1
%e .0.0.1.0.1.1.0.0
%e .0.0.1.1.1.1.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_, Nov 04 2008
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