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%I A146373 #4 Mar 31 2012 12:35:10
%S A146373 1,1,1,9,25,125,1331,18779,389231,11969301,573650431,41782304071,
%T A146373 4475707668912,731606853804073,181071469572900858
%N A146373 Number of n X n binary arrays with all ones connected only in a 0100-1111-0100 pattern in any orientation.
%e A146373 Maximal 8 X 8 example
%e A146373 .0.1.0.0.0.0.0.0
%e A146373 .1.1.1.1.0.0.0.0
%e A146373 .0.1.0.0.0.0.1.0
%e A146373 .0.0.0.0.0.1.1.1
%e A146373 .0.1.0.0.1.0.1.0
%e A146373 .1.1.1.0.1.0.1.0
%e A146373 .0.1.0.1.1.1.0.0
%e A146373 .0.1.0.0.1.0.0.0
%K A146373 nonn
%O A146373 1,4
%A A146373 _R. H. Hardin_

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