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%I #4 Mar 31 2012 12:35:11
%S 1,1,1,1,1,1,1,5,13,25,41,73,405,2087,9095,31781,109905,706437,
%T 6193961,52066515,395176419,2801856537,27230658787
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0110-1111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.1.0.0.0
%e .0.0.1.1.1.1.0.0
%e .0.1.0.1.1.0.1.0
%e .0.1.1.0.0.1.1.1
%e .1.1.1.0.0.1.1.0
%e .0.1.0.1.1.0.1.0
%e .0.0.1.1.1.1.0.0
%e .0.0.0.1.0.0.0.0
%K nonn
%O 1,8
%A _R. H. Hardin_, Nov 04 2008