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A038783 An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, indexed by odd primes p. 1
4, 10, 24, 208, 700, 8230, 29144, 381304, 19175140, 71582944, 3817763740 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..13.

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)= A038782(p^2) - A038781(p^2) + A038784(p^2)

CROSSREFS

Cf. A038781.

Sequence in context: A001868 A217696 A223014 * A127070 A107961 A051864

Adjacent sequences:  A038780 A038781 A038782 * A038784 A038785 A038786

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 October 22 11:06 EDT 2019. Contains 328318 sequences. (Running on oeis4.)