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%I #4 Mar 31 2012 12:35:14
%S 1,1,1,1,1,1,5,13,35,61,141,427,1351,4209,19211,75163,402147,1986547,
%T 12595631,74795099,557304499
%N Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1001-1111-1000 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.1.1.1.0
%e .1.0.0.1.0.1.0.0
%e .1.1.1.1.0.1.0.0
%e .1.0.0.0.0.1.1.0
%e .0.1.1.0.0.0.0.1
%e .0.0.1.0.1.1.1.1
%e .0.0.1.0.1.0.0.1
%e .0.1.1.1.0.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008
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