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A243551
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Number of simple connected graphs with n nodes that have no subgraph isomorphic to the bowtie graph or K_4.
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0
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1, 1, 2, 5, 14, 56, 256, 1656, 13952, 163878, 2646642, 59088801
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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K_4 is the complete graph on four vertices.
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LINKS
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F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 29e68fa.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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a(11)-a(12) added using tinygraph by Falk Hüffner, Sep 23 2020
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STATUS
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approved
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