cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

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

Original entry on oeis.org

2, 6, 12, 104, 356, 4134, 14572, 190652, 9588156, 35791472, 1908889156, 27487843256, 104715393912, 1529755308212, 86607687722856, 4969489243995032, 19215358445940816, 1117984489315857512, 16865594581677305360, 65588423375098872068, 3874762242354582408912
Offset: 1

Views

Author

N. J. A. Sloane, May 04 2000

Keywords

Links

Crossrefs

Cf. A038785.

Formula

a(p^2) = A038791(p^2) for p=4k-1.
a(p^2) = A038786(p^2) - A038785(p^2) + A038788(p^2).

Extensions

More terms from Valery A. Liskovets, May 09 2001
More terms and offset corrected by Sean A. Irvine, Feb 14 2021

A054246 Non-Cayley-isomorphic circulant p^2-tournaments, indexed by odd primes p.

Original entry on oeis.org

1, 1, 4, 16, 36, 256, 900, 8836, 343396, 1201216, 53085796
Offset: 3

Views

Author

N. J. A. Sloane, May 04 2000

Keywords

References

  • V. A. Liskovets and R. Poeschel, Non-Cayley-isomorphic self-complementary circulant graphs, J. Graph Th., 34, 2000, 128-141.

Links

Crossrefs

Cf. A038788, A038791.

Formula

a(p^2)=A049288(p)^2

Extensions

More terms from Valery A. Liskovets, May 09 2001

A061849 Non-Cayley-isomorphic circulant self-complementary undirected p^2-graphs, indexed by odd primes p.

Original entry on oeis.org

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

Views

Author

Valery A. Liskovets, May 09 2001

Keywords

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

Crossrefs

Cf. A038788.

Formula

a(p^2)=A049289(p)^2

Extensions

More terms from Sean A. Irvine, Mar 09 2023
Showing 1-3 of 3 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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