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%I #7 May 26 2014 00:35:50
%S 1,1,1,1,5,17,51,255,1303,6487,45597,373491,4375333,54687233,
%T 1001558187,19226580191
%N Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1010-1111 pattern in any orientation.
%e Maximal 8 X 8 example:
%e .1.1.1.1.0.0.0.1
%e .1.0.1.0.0.0.1.1
%e .1.0.0.0.0.0.0.1
%e .0.0.0.0.0.1.1.1
%e .1.1.1.0.0.0.0.0
%e .1.0.0.0.0.0.0.1
%e .1.1.0.0.0.1.0.1
%e .1.0.0.0.1.1.1.1
%K nonn,more
%O 1,5
%A _R. H. Hardin_, Nov 04 2008
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