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%I #4 Mar 31 2012 12:35:14
%S 1,1,1,1,13,41,308,2695,29727,454197,10169685,297550563,12103659827,
%T 684418386161,52856689809723
%N Number of n X n binary arrays with all ones connected only in a 00100-00100-11111 pattern in any orientation.
%e Maximal 8 X 8 example
%e .1.1.1.1.1.0.0.0
%e .0.0.1.0.0.0.0.0
%e .1.0.1.0.0.0.0.0
%e .1.0.0.0.0.0.0.1
%e .1.1.1.0.0.0.0.1
%e .1.0.0.1.0.1.1.1
%e .1.0.0.1.0.0.0.1
%e .0.1.1.1.1.1.0.1
%K nonn
%O 1,5
%A _R. H. Hardin_, Nov 04 2008