A243789 Number of simple connected graphs with n nodes that have no subgraph isomorphic to the open-bowtie graph or the diamond graph.
1, 1, 2, 4, 9, 30, 89, 379, 1864, 12365, 106951, 1272286, 20722347
Offset: 1
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 29e68fa.
Extensions
a(11)-a(13) added using tinygraph by Falk Hüffner, Sep 23 2020