Search: id:A146036
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%I A146036
%S A146036 1,1,1,1,1,1,11,17,43,77,281,645,3017,9213,61533,218977,1561879,6900617,
%T A146036 60762405,333893691,3718652761,25349082469,352708796463,2947039725027
%N A146036 Number of n X n binary arrays symmetric under 90 degree rotation with 
               all ones connected only in a 3X3 el 1,1 1,2 1,3 2,3 3,3 in any orientation.
%e A146036 Maximal 8 X 8 example
%e A146036 .0.1.0.0.0.0.0.0
%e A146036 .0.1.0.0.0.1.1.1
%e A146036 .0.1.1.1.0.1.0.0
%e A146036 .0.0.0.0.0.1.0.0
%e A146036 .0.0.1.0.0.0.0.0
%e A146036 .0.0.1.0.1.1.1.0
%e A146036 .1.1.1.0.0.0.1.0
%e A146036 .0.0.0.0.0.0.1.0
%Y A146036 Sequence in context: A073649 A090609 A144051 this_sequence A046122 A102870 
               A136721
%Y A146036 Adjacent sequences: A146033 A146034 A146035 this_sequence A146037 A146038 
               A146039
%K A146036 nonn
%O A146036 1,7
%A A146036 Ron Hardin (rhhardin(AT)att.net), Oct 26 2008

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