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A038778 Circulant directed p^2-graphs up to rotations only, indexed by odd primes p. 1
52, 839128, 6701785562968, 12083890870771962491424805136043760, 2398361661260968891411175234090908403781861753200, 1828394251506568537335964147598606029781088871684165132246643817787950377305065340000 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..8.

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.

CROSSREFS

Cf. A038777.

Sequence in context: A198721 A198912 A208300 * A116107 A114787 A198776

Adjacent sequences:  A038775 A038776 A038777 * A038779 A038780 A038781

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, May 04 2000

EXTENSIONS

More terms from Valery A. Liskovets, May 09 2001

STATUS

approved

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Last modified September 17 22:53 EDT 2019. Contains 327147 sequences. (Running on oeis4.)