%I #4 Mar 31 2012 12:35:13
%S 1,1,1,1,1,7,21,47,187,1039,7375,57703,534255,6065861,87670715,
%T 1568278041,34768369321,953623406901,31496022601955,1268361436313019,
%U 63421807483845045
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0110-1100-0111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.1.1.1.0.0
%e .0.0.1.1.0.0.0.0
%e .0.1.0.1.1.0.0.1
%e .1.1.1.0.0.1.0.1
%e .1.0.1.0.0.1.1.1
%e .1.0.0.1.1.0.1.0
%e .0.0.0.0.1.1.0.0
%e .0.0.1.1.1.0.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_, Nov 04 2008