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A123429
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Number of K_4-free Berge perfect graphs on n nodes.
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0
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1, 2, 4, 10, 28, 112, 568, 4184, 42450, 576926, 10009664, 215100466
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 2e383f3
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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a(11) and a(12) added using tinygraph by Falk Hüffner, Jan 16 2016
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STATUS
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approved
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