%I #4 Mar 31 2012 12:35:09
%S 1,1,1,1,1,1,1,9,17,33,89,333,849,5379,20923,147329,704405,5858399,
%T 36340527,403495741,3132269377,47135996775,474369570793,8861603100211,
%U 114644138972971
%N Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 110-111-001 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.1.1.0.0
%e .0.0.0.0.1.1.0.0
%e .0.0.0.1.1.0.1.1
%e .0.0.1.0.0.1.1.1
%e .1.1.1.0.0.1.0.0
%e .1.1.0.1.1.0.0.0
%e .0.0.1.1.0.0.0.0
%e .0.0.1.1.0.0.0.0
%K nonn
%O 1,8
%A _R. H. Hardin_
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