A023647 Number of vertex-transitive graphs of valency 4 with n nodes.

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

Offset: 5

Author

N. J. A. Sloane

Keywords

• nonn
• more

References

• CRC Handbook of Combinatorial Designs, 1996, p. 649.

Crossrefs

Column k=4 of A319367.

Extensions

a(27)-a(31) added by Andrew Howroyd, Sep 18 2018