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%I #4 Mar 31 2012 12:35:11
%S 1,1,1,1,1,1,1,3,9,19,33,57,181,727,3143,12709,46177,203713,1168453,
%T 7869343,57494841,429662591,3357500475
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1010-1111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.1.0.1.0.0
%e .0.0.1.1.1.1.0.0
%e .0.1.0.0.1.0.1.1
%e .1.1.0.0.0.1.1.0
%e .0.1.1.0.0.0.1.1
%e .1.1.0.1.0.0.1.0
%e .0.0.1.1.1.1.0.0
%e .0.0.1.0.1.0.0.0
%K nonn
%O 1,8
%A _R. H. Hardin_, Nov 04 2008
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