login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A023646 Number of vertex-transitive graphs of valency 3 with 2n nodes. 2
1, 2, 3, 3, 7, 3, 7, 7, 11, 3, 20, 5, 10, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,2
REFERENCES
CRC Handbook of Combinatorial Designs, 1996, p. 649.
LINKS
CROSSREFS
Even-indexed terms of column k=3 of A319367.
Sequence in context: A234943 A209494 A082910 * A056225 A343390 A105437
KEYWORD
nonn,more
AUTHOR
EXTENSIONS
a(14)-a(15) added by Andrew Howroyd, Sep 18 2018
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 26 18:59 EDT 2024. Contains 375462 sequences. (Running on oeis4.)