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A038777
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Number of nonisomorphic circulant directed p^2-graphs, indexed by odd primes p.
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4
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51, 839094, 6701785562464, 12083890870771962491424805135950456, 2398361661260968891411175234090908403781860478604, 1828394251506568537335964147598606029781088871684165132246643817787950377304813841866
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..6.
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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CROSSREFS
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Cf. A049297.
Sequence in context: A238567 A198251 A135531 * A281979 A172695 A172786
Adjacent sequences: A038774 A038775 A038776 * A038778 A038779 A038780
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, May 04 2000
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EXTENSIONS
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More terms from Valery A. Liskovets, May 09 2001
Offset corrected by Sean A. Irvine, Feb 14 2021
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STATUS
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approved
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