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A079570 Number of unlabeled, connected graphs on n vertices which have no induced subgraph isomorphic to a cricket graph (open bow-tie graph). 1
1, 1, 2, 6, 20, 95, 541, 4102, 37362, 402950, 5107471, 83311628, 2006365803 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
The cricket graph consists of a triangle and two additional vertices incident on the same vertex of the triangle.
LINKS
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version e8699da.
CROSSREFS
Sequence in context: A079575 A078564 A079576 * A131842 A348104 A329426
KEYWORD
more,nonn
AUTHOR
Jim Nastos, Jan 24 2003
EXTENSIONS
Definition corrected by Falk Hüffner, Jan 19 2016
a(10)-a(13) added using tinygraph by Falk Hüffner, Jan 20 2016
STATUS
approved

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Last modified June 14 05:27 EDT 2024. Contains 373393 sequences. (Running on oeis4.)