Search: id:A123465
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%I A123465
%S A123465 1,1,1,2,3,6,11,23,47,106
%N A123465 Number of tree perfect graphs on n nodes.
%D A123465 S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
%H A123465 S. Hougardy, <a href="http://www2.informatik.hu-berlin.de/~hougardy/">
               Home Page</a>
%Y A123465 Sequence in context: A036656 A090344 A130131 this_sequence A000055 A006787 
               A000992
%Y A123465 Adjacent sequences: A123462 A123463 A123464 this_sequence A123466 A123467 
               A123468
%K A123465 nonn
%O A123465 1,4
%A A123465 N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006

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