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%I #4 Mar 31 2012 12:35:11
%S 1,1,1,1,1,1,3,5,11,21,43,131,425,1453,5677,20565,100203,517949,
%T 3251987,21002085,153166855,1157817079,10741996431,104706915655
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 0100-0100-1111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.1.1.1.1.0
%e .0.0.0.0.1.0.0.1
%e .0.0.0.0.1.0.0.1
%e .1.0.0.0.0.1.1.1
%e .1.1.1.0.0.0.0.1
%e .1.0.0.1.0.0.0.0
%e .1.0.0.1.0.0.0.0
%e .0.1.1.1.1.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008
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