

A070995


Number of nonisomorphic (undirected) Cayley graphs for the group Zp x Zp, where Zp is the elementary Abelian group of order p and p is prime. The sequence is index by primes, though starts with 1.


0




OFFSET

1,2


COMMENTS

The formula comes from a cycle index; There is a similar formula for directed Cayley graphs


REFERENCES

C. Godsil, On Cayley graph isomorphisms, Ars, Combin., 15:231246, 1983


LINKS

Table of n, a(n) for n=1..8.
B. Alspach and M. Mishna, Enumeration of Cayley graphs and digraphs, Discr. Math., 256 (2002), 527539.
M. Mishna, Cayley Graphs


CROSSREFS

Cf. A049287.
Sequence in context: A180976 A305844 A303132 * A063803 A106425 A160779
Adjacent sequences: A070992 A070993 A070994 * A070996 A070997 A070998


KEYWORD

nonn


AUTHOR

Marni Mishna, May 18 2002


STATUS

approved



