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 21-28 of 28 results.

A243325 Number of simple connected graphs with n nodes that are planar and not integral.

Original entry on oeis.org

0, 0, 1, 4, 18, 95, 642, 5962, 71876, 1052786
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Keywords

Crossrefs

Cf. A003094 (planar graphs), A241842 (non-integral graphs).

A243331 Number of simple connected graphs with n nodes that are integral and planar.

Original entry on oeis.org

1, 1, 1, 2, 2, 4, 4, 12, 9, 19
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Keywords

Crossrefs

Cf. A003094 (planar graphs), A064731 (integral graphs).

A243337 Number of simple connected graphs with n nodes that are planar and K_4 free.

Original entry on oeis.org

1, 1, 2, 5, 17, 79, 478, 4123, 46666, 648758, 10275896, 177007433
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Keywords

Comments

K_4 is the complete graph on four vertices.

Crossrefs

Cf. A003094 (planar graphs), A079574 (K_4 free graphs).

Extensions

a(11)-a(12) added using tinygraph by Falk Hüffner, May 10 2019

A243550 Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to the bowtie graph.

Original entry on oeis.org

1, 1, 2, 6, 15, 58, 255, 1510, 10766, 94109, 945773, 10577294
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Keywords

Crossrefs

Cf. A242792 (bowtie free graphs), A003094 (planar graphs).

Extensions

a(11)-a(12) added using tinygraph by Falk Hüffner, May 09 2019

A243558 Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to bull graph.

Original entry on oeis.org

1, 1, 2, 6, 9, 25, 76, 302, 1360, 7606, 49313, 368568, 3046968
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Keywords

Crossrefs

Cf. A244427 (no bull subgraphs), A003094 (planar graphs).

Extensions

a(11)-a(13) added using tinygraph by Falk Hüffner, May 09 2019

A243565 Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to diamond graph.

Original entry on oeis.org

1, 1, 2, 4, 11, 38, 159, 882, 6242, 55316, 578130, 6774786
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Keywords

Crossrefs

Cf. A242790 (diamond free graphs), A003094 (planar graphs).

Extensions

a(11)-a(12) added using tinygraph by Falk Hüffner, May 09 2019

A243787 Number of graphs with n nodes that are chordal and planar.

Original entry on oeis.org

1, 1, 2, 5, 14, 52, 228, 1209, 7463, 52520, 407856, 3414672, 30229061, 279124327
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 27 2014

Keywords

Crossrefs

Cf. A048192 (chordal graphs), A003094 (planar graphs).

Extensions

a(11)-a(14) added using tinygraph by Falk Hüffner, May 12 2019

A243794 Number of simple connected graphs with n nodes that are planar and have no subgraph isomorphic to the open-bowtie graph.

Original entry on oeis.org

1, 1, 2, 6, 11, 33, 94, 370, 1627, 8895, 56416, 414456, 3382661
Offset: 1

Views

Author

Travis Hoppe and Anna Petrone, Jun 16 2014

Keywords

Crossrefs

Cf. A242791 (open-bowtie free graphs), A003094 (planar graphs).

Extensions

a(11)-a(13) added using tinygraph by Falk Hüffner, May 12 2019
Previous Showing 21-28 of 28 results.