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A242792
Number of connected bowtie-free graphs on n nodes.
11
1, 1, 2, 6, 15, 60, 273, 1769, 14836, 174111, 2810354, 62810605
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OFFSET
1,3
LINKS
Table of n, a(n) for n=1..12.
Travis Hoppe and Anna Petrone,
Encyclopedia of Finite Graphs
F. Hüffner,
tinygraph
, software for generating integer sequences based on graph properties, version 29e68fa.
Eric Weisstein's World of Mathematics,
Bowtie or Butterfly Graph
CROSSREFS
Sequence in context:
A243550
A354758
A003268
*
A216811
A351900
A335751
Adjacent sequences:
A242789
A242790
A242791
*
A242793
A242794
A242795
KEYWORD
nonn
,
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AUTHOR
Travis Hoppe
and
Anna Petrone
, May 22 2014
EXTENSIONS
a(11)-a(12) added using tinygraph by
Falk Hüffner
, Sep 22 2020
STATUS
approved