A243548 Number of simple connected graphs with n nodes that are integral and have no subgraph isomorphic to the bowtie graph.

1, 1, 1, 2, 2, 4, 1, 8, 1, 19

Offset

1,4

Links

Table of n, a(n) for n=1..10.

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

Crossrefs

Cf. A242792 (bowtie free graphs), A064731 (integral graphs).

Sequence in context: A338823 A173897 A152593 * A105478 A114427 A129355

Adjacent sequences: A243545 A243546 A243547 * A243549 A243550 A243551

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Status

approved