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.

Previous Showing 21-25 of 25 results.

A216117 Decimal expansion of constant arising in enumeration of pseudo-triangulations.

Original entry on oeis.org

1, 6, 9, 4, 2, 8, 3, 8, 7
Offset: 1

Views

Author

Jonathan Vos Post, Oct 29 2012

Keywords

Comments

Given on page 11 of Ben-Ner.

Crossrefs

Cf. A000109.

A298361 a(n) is the number of maximal simple planar graphs of size n that admit a 2-queue layout.

Original entry on oeis.org

1, 1, 1, 2, 5, 14, 50, 233, 1249, 7595, 49566, 339712, 2405167, 17412878, 127855172, 947394711
Offset: 3

Views

Author

Sergey Pupyrev, Jan 17 2018

Keywords

Comments

Computed by an exhaustive search.

Examples

			For n <= 13, all maximal simple planar graphs admit a 2-queue layout; hence, the values are the same as in A000109.
		

References

  • S. Pupyrev, Mixed Linear Layouts of Planar Graphs, International Symposium on Graph Drawing and Network Visualization (GD 2017).

Crossrefs

Cf. A000109.

A357822 Number of simplicial 3-spheres (triangulations of S^3) with n vertices.

Original entry on oeis.org

1, 2, 5, 39, 1296, 247882, 166564303
Offset: 5

Views

Author

R. J. Mathar, Oct 14 2022

Keywords

Crossrefs

Cf. A000109.

Extensions

a(11) from Frank H. Lutz added by Andrey Zabolotskiy, Nov 24 2022

A358287 Number of 3-connected planar cubic graphs with 2*n nodes and exactly one edge-Kempe equivalence class.

Original entry on oeis.org

1, 1, 1, 1, 13, 47, 210, 1096, 6373, 39860, 260293, 1753836
Offset: 2

Views

Author

N. J. A. Sloane, Nov 08 2022

Keywords

Comments

The reference gives further terms.

Crossrefs

Cf. A000109.

A358288 Number of 3-connected planer cubic graphs with 2*n nodes and the maximum number of edge-Kempe equivalence classes.

Original entry on oeis.org

1, 1, 1, 1, 1, 3, 23, 1, 1, 1, 6, 31, 1, 2, 55, 1, 1, 1
Offset: 2

Views

Author

N. J. A. Sloane, Nov 08 2022

Keywords

Crossrefs

Cf. A000109.
Previous Showing 21-25 of 25 results.