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A038786 Circulant self-complementary directed p^2-graphs up to rotations only, indexed by odd primes p. 3
4, 216, 399480, 10481104587335216, 123992391755402970675056, 81988033818127290961563099285346969402464, 4480981113642949878240780781141254929604041319907336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(p^2)=A038790(p^2) for p=4k-1

LINKS

Table of n, a(n) for n=1..7.

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. A038785.

Sequence in context: A260619 A167888 A036740 * A268362 A072694 A248099

Adjacent sequences:  A038783 A038784 A038785 * A038787 A038788 A038789

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, May 04 2000

EXTENSIONS

More terms from Valery A. Liskovets, May 09 2001

Offset corrected by Sean A. Irvine, Feb 14 2021

STATUS

approved

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Last modified August 9 18:55 EDT 2022. Contains 356026 sequences. (Running on oeis4.)