A061846 -id:A061846 - cp's OEIS frontend

A061847 Circulant self-complementary undirected p^2-graphs up to rotations only, indexed by odd primes p.

0, 8, 0, 0, 56385212112, 34723282963287391328, 0, 0, 4052966889953709463435884686101848534440236122250196723624432, 0, 13451920373440265528873527210621286955685558541949847056456390996779593127771039129346153481541049712

Offset: 3

Valery A. Liskovets, May 09 2001

nonn

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

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.

Cf. A038786, A061846.

More terms from Sean A. Irvine, Mar 09 2023

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

Original entry on oeis.org

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

Valery A. Liskovets, May 09 2001

nonn

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

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.

Cf. A038787.

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

More terms from Sean A. Irvine, Mar 09 2023

cp's OEIS Frontend

A061847 Circulant self-complementary undirected p^2-graphs up to rotations only, indexed by odd primes p.

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