A038786 -id:A038786 - cp's OEIS frontend

A038787 An intermediate sequence for nonisomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.

2, 6, 12, 104, 356, 4134, 14572, 190652, 9588156, 35791472, 1908889156, 27487843256, 104715393912, 1529755308212, 86607687722856, 4969489243995032, 19215358445940816, 1117984489315857512, 16865594581677305360, 65588423375098872068, 3874762242354582408912

Offset: 1

N. J. A. Sloane, May 04 2000

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. A038785.

a(p^2) = A038791(p^2) for p=4k-1.

a(p^2) = A038786(p^2) - A038785(p^2) + A038788(p^2).

More terms from Valery A. Liskovets, May 09 2001

More terms and offset corrected by Sean A. Irvine, Feb 14 2021

A038790 Circulant p^2-tournaments up to rotations only, indexed by odd primes p.

Original entry on oeis.org

4, 208, 399480, 10481104587335216, 123992391755346585462944, 81988033818127290961528376002383682011136, 4480981113642949878240780781141254929604041319907336

Offset: 1

N. J. A. Sloane, May 04 2000

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, A038789.

More terms from Valery A. Liskovets, May 09 2001

Offset corrected by Sean A. Irvine, Feb 14 2021

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

Original entry on oeis.org

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

cp's OEIS Frontend

A038787 An intermediate sequence for nonisomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.

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A038790 Circulant p^2-tournaments up to rotations only, indexed by odd primes p.

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

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