%I #4 Mar 31 2012 12:35:09
%S 1,1,1,1,1,1,8,19,32,51,140,477,1662,6189,24619,109450,533450,2859993,
%T 16886952,110380054,797354362,6460189913,58366269898,572562441744,
%U 6143132227217,72768344185209
%N Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 110-111-110 pattern in any orientation.
%e Maximal 8 X 8 example
%e .0.0.0.0.1.1.0.0
%e .0.1.0.0.1.1.1.0
%e .1.1.1.0.1.1.0.0
%e .1.1.1.0.0.0.0.0
%e .0.0.0.0.0.1.1.1
%e .0.0.1.1.0.1.1.1
%e .0.1.1.1.0.0.1.0
%e .0.0.1.1.0.0.0.0
%K nonn
%O 1,7
%A _R. H. Hardin_
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