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Search: id:A038780
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| A038780 |
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An intermediate sequence for counting nonisomorphic circulant directed p^2-graphs, indexed by odd primes p. |
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+0
2
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| 9, 36, 196, 11664, 123904, 16941456, 213218404, 36384036516
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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M. Klin, V. A. Liskovets and R. Poeschel, Analytical enumeration of circulant graphs with prime-squared vertices, Sem. Lotharingien de Combin., B36d, 1996, 36 pages.
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FORMULA
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a(p^2)=A049297(p)^2
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CROSSREFS
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Cf. A038777, A038779.
Sequence in context: A075674 A110752 A094973 this_sequence A073984 A036907 A027381
Adjacent sequences: A038777 A038778 A038779 this_sequence A038781 A038782 A038783
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KEYWORD
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nonn,easy
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AUTHOR
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njas, May 04 2000
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EXTENSIONS
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More terms from Valery A. Liskovets (liskov(AT)im.bas-net.by), May 09 2001
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