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%I #4 Mar 31 2012 12:35:14
%S 1,1,1,1,1,1,3,7,13,27,81,287,1153,4961,23911,134777,885445,6659249,
%T 57412261,568445509,6410206283,82425528579,1216468689493,
%U 20669872378163,403437418129203,9012600422728359,230172718811608655,6730737235950056465
%N Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.0.0.0.0
%e .0.0.0.0.0.0.1.0
%e .0.0.0.0.1.1.1.0
%e .0.0.0.0.0.1.1.1
%e .0.0.1.0.0.1.0.0
%e .0.0.1.1.1.0.0.0
%e .0.1.1.1.0.0.0.0
%e .0.0.0.1.0.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_, Nov 04 2008
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