A243546 Number of simple connected graphs with n nodes that are distance regular and have no subgraph isomorphic to the bowtie graph.

1, 1, 1, 2, 1, 2, 1, 3, 1, 4

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), A241814 (distance regular graphs).

Sequence in context: A029349 A168676 A202327 * A243554 A361734 A263111

Adjacent sequences: A243543 A243544 A243545 * A243547 A243548 A243549

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Status

approved