%I #4 Mar 31 2012 12:35:12
%S 1,1,1,1,1,21,47,295,1465,7767,65051,795933,8973805,164427495,
%T 3016356659,81769439115
%N Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-1111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.1.1.0.0.0.0
%e .0.0.1.1.1.1.0.0
%e .0.0.0.1.0.0.1.1
%e .0.1.0.0.1.1.1.1
%e .1.1.1.1.0.0.1.0
%e .1.1.0.0.1.0.0.0
%e .0.0.1.1.1.1.0.0
%e .0.0.0.0.1.1.0.0
%K nonn
%O 1,6
%A _R. H. Hardin_, Nov 04 2008