A038785 Number of nonisomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.

3, 214, 399472, 10481104587335128, 123992391755402970674764, 81988033818127290961563099285346969398730, 4480981113642949878240780781141254929604041319893664

Offset

1,1

Comments

a(p^2)=A038789(p^2) for p=4k-1

Links

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

Farrugia, Alastair; Self-complementary graphs and generalizations: a comprehensive reference, M.Sc. Thesis, University of Malta, August 1999. See p. 198.

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. A049309.

Sequence in context: A303214 A258110 A072196 * A297920 A298544 A298334

Adjacent sequences: A038782 A038783 A038784 * A038786 A038787 A038788

Keyword

nonn,easy

Author

N. J. A. Sloane, May 04 2000

Extensions

More terms from Valery A. Liskovets, May 09 2001

Status

approved