A023646 Number of vertex-transitive graphs of valency 3 with 2n nodes.
1, 2, 3, 3, 7, 3, 7, 7, 11, 3, 20, 5, 10, 15
Offset: 2
References
- CRC Handbook of Combinatorial Designs, 1996, p. 649.
Crossrefs
Even-indexed terms of column k=3 of A319367.
Extensions
a(14)-a(15) added by Andrew Howroyd, Sep 18 2018