A061848 An intermediate sequence for nonisomorphic circulant self-complementary undirected p^2-graphs, indexed by odd primes p.

0, 2, 0, 0, 12, 38, 0, 0, 1172, 0, 14572, 52536, 0, 0, 2581112, 0, 35791472, 0, 0, 1908889156, 0, 0, 399822600756, 5864062716964, 22517998136936, 0, 0, 333599972407532, 1286742760265468, 0, 0, 4340410370789890656, 0, 255263053128088930472, 0

Offset: 3

Author

Valery A. Liskovets, May 09 2001

Keywords

• nonn

Comments

a(p^2)=0 for p=4k-1

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.

Crossrefs

Cf. A038787.

Formula

a(p^2)= A061847(p^2) - A061846(p^2) + A061849(p^2)

Extensions

More terms from Sean A. Irvine, Mar 09 2023