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!)
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

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 April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)