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%I #4 Mar 31 2012 12:35:16
%S 1,1,1,1,5,1,10,1,26,1,220,25,1696,141,21805,844,438996,11391,9601298,
%T 152742,309244701,3160409,15392335628,110025582,1035900361260
%N Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11011-01110 pattern in any orientation.
%e Maximal 9 X 9 example
%e .0.0.0.1.1.1.0.0.0
%e .0.0.1.1.0.1.1.0.0
%e .0.1.0.0.0.0.0.1.0
%e .1.1.0.0.0.0.0.1.1
%e .1.0.0.0.0.0.0.0.1
%e .1.1.0.0.0.0.0.1.1
%e .0.1.0.0.0.0.0.1.0
%e .0.0.1.1.0.1.1.0.0
%e .0.0.0.1.1.1.0.0.0
%K nonn
%O 1,5
%A _R. H. Hardin_, Nov 04 2008
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