%I #4 Mar 31 2012 12:35:16
%S 1,1,1,1,1,5,17,37,107,651,4763,31885,243507,2726593,39573223,
%T 647861719,12294997893,299566536047,9265546813073,344823799726629
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1100-0111-0101 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.1.0.1.0
%e .0.0.0.0.1.1.1.0
%e .0.0.1.1.0.0.1.1
%e .0.0.0.1.0.0.0.0
%e .0.0.1.1.1.0.0.0
%e .0.0.0.0.1.0.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_, Nov 04 2008