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Number of nonisomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.
6

%I #15 Apr 12 2013 12:33:01

%S 3,214,399472,10481104587335128,123992391755402970674764,

%T 81988033818127290961563099285346969398730,

%U 4480981113642949878240780781141254929604041319893664

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

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

%H Farrugia, Alastair; <a href="http://www.alastairfarrugia.net/sc-graph/sc-graph-survey.pdf">Self-complementary graphs and generalizations: a comprehensive reference</a>, M.Sc. Thesis, University of Malta, August 1999. See p. 198.

%H M. Klin, V. A. Liskovets and R. Poeschel, <a href="http://www.mat.univie.ac.at/~slc/wpapers/s36klp.html">Analytical enumeration of circulant graphs with prime-squared vertices</a>, Sem. Lotharingien de Combin., B36d, 1996, 36 pages.

%Y Cf. A049309.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, May 04 2000

%E More terms from _Valery A. Liskovets_, May 09 2001