%I #4 Mar 31 2012 12:35:17
%S 1,1,1,1,1,9,21,73,310,1107,5232,33319,240772,2106289,21011261,
%T 262231181,3633528079,62517538899
%N Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-1111-1100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.1.1.0.0.0.0
%e .1.1.1.1.0.0.0.0
%e .0.0.1.1.0.0.1.1
%e .1.1.0.0.1.1.1.1
%e .1.1.1.1.0.0.1.1
%e .1.1.0.0.1.1.0.0
%e .0.0.0.0.1.1.1.1
%e .0.0.0.0.1.1.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_