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

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

Offset: 1

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Keywords

• nonn
• more

Links

• Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs
• T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014
• F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 9766535.

Crossrefs

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

Extensions

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