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Search: id:A070995
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| A070995 |
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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. |
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1
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| 1, 5, 50, 17794, 174685429024800, 1476099903835055889100, 569361345959217303084880851701375547158, 24894339520238610434672964029323166045198384692144
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The formula comes from a cycle index; There is a similar formula for directed Cayley graphs
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REFERENCES
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B. Alspach, M.Mishna, Enumeration of Cayley graphs and digraphs, accepted in Discrete Math. 2001.
C. Godsil, On Cayley graph isomorphisms, Ars, Combin., 15:231-246, 1983
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LINKS
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M. Mishna, Cayley Graphs
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CROSSREFS
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Cf. A049287.
Adjacent sequences: A070992 A070993 A070994 this_sequence A070996 A070997 A070998
Sequence in context: A116906 A051893 A082100 this_sequence A063803 A106425 A077681
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KEYWORD
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nonn
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AUTHOR
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Marni Mishna (mishna(AT)math.uqam.ca), May 18 2002
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