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%I #4 Mar 31 2012 12:35:09
%S 1,1,1,1,5,17,43,197,1293,11263,110807,1310257,21564593,459131585,
%T 12523288493,440243859565,19398701026043,1090842898014815,
%U 79649624560507867,7542069381975617255,913933732625520247505
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 110-111-100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.1.1.1.0.0.0
%e .0.0.1.1.0.0.0.0
%e .1.1.0.1.0.0.0.0
%e .1.1.1.0.0.0.0.1
%e .1.0.0.0.0.1.1.1
%e .0.0.0.0.1.0.1.1
%e .0.0.0.0.1.1.0.0
%e .0.0.0.1.1.1.0.0
%K nonn
%O 1,5
%A _R. H. Hardin_, Oct 27 2008
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