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A023647 Number of vertex-transitive graphs of valency 4 with n nodes. 2
1, 1, 1, 3, 3, 4, 2, 11, 3, 6, 8, 16, 4, 16, 4, 28, 11, 11, 5, 74, 9, 16, 16, 34, 7, 52, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET
5,4
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 649.
LINKS
CROSSREFS
Column k=4 of A319367.
Sequence in context: A080216 A082924 A159636 * A332413 A239207 A329157
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
a(27)-a(31) added by Andrew Howroyd, Sep 18 2018
STATUS
approved

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Last modified May 30 13:54 EDT 2023. Contains 363050 sequences. (Running on oeis4.)