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A061849
Non-Cayley-isomorphic circulant self-complementary undirected p^2-graphs, indexed by odd primes p.
1
0, 1, 0, 0, 4, 16, 0, 0, 100, 0, 900, 3136, 0, 0, 99856, 0, 1201216, 0, 0, 53523856, 0, 0, 9104976400, 122301280656, 450364472464, 0, 0, 6177879265156, 22983279751744, 0, 0, 63831513158616064, 0, 3449500721561320336, 0, 49676441991516395584, 0, 0
OFFSET
3,5
COMMENTS
a(p^2)=0 for p=4k-1
REFERENCES
V. A. Liskovets and R. Poeschel, Non-Cayley-isomorphic self-complementary circulant graphs, J. Graph Th., 34, 2000, 128-141.
LINKS
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)=A049289(p)^2
CROSSREFS
Cf. A038788.
Sequence in context: A298127 A220788 A330315 * A052107 A069019 A188249
KEYWORD
nonn
AUTHOR
Valery A. Liskovets, May 09 2001
EXTENSIONS
More terms from Sean A. Irvine, Mar 09 2023
STATUS
approved