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A038780 An intermediate sequence for counting nonisomorphic circulant directed p^2-graphs, indexed by odd primes p. 1
9, 36, 196, 11664, 123904, 16941456, 213218404, 36384036516 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..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.

FORMULA

a(p^2)=A049297(p)^2

CROSSREFS

Cf. A038777, A038779.

Sequence in context: A280353 A110752 A094973 * A073984 A036907 A027381

Adjacent sequences:  A038777 A038778 A038779 * A038781 A038782 A038783

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 16 10:23 EDT 2019. Contains 327094 sequences. (Running on oeis4.)