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%I #4 Mar 31 2012 12:35:11
%S 1,1,1,9,25,93,633,8913,136370,2447483,66801664,2869431585,
%T 170625522480,13470400903777
%N Number of n X n binary arrays with all ones connected only in a 1100-0111-1100 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.0.0.0.1.0.1
%e .0.1.1.1.0.1.1.1
%e .1.1.0.0.0.0.1.0
%e .0.0.0.0.0.0.1.0
%e .0.0.0.0.0.0.0.0
%e .1.1.0.0.1.1.0.0
%e .0.1.1.1.0.1.1.1
%e .1.1.0.0.1.1.0.0
%K nonn
%O 1,4
%A _R. H. Hardin_, Nov 04 2008