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%I #4 Mar 31 2012 12:35:12
%S 1,1,1,17,57,369,5039,105411,2937697,116344821,7465413345,
%T 762264403505,114422662087491
%N Number of n X n binary arrays with all ones connected only in a 0100-1100-1111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.1.1.0.0.1.1
%e .1.1.0.0.0.1.1.1
%e .0.1.0.0.1.0.0.1
%e .0.0.0.0.1.0.0.1
%e .1.0.1.1.1.0.0.0
%e .1.0.0.1.1.0.1.0
%e .1.1.1.0.0.0.1.1
%e .1.1.0.0.1.1.1.1
%K nonn
%O 1,4
%A _R. H. Hardin_, Nov 04 2008