A243556 Number of simple connected graphs with n nodes that are integral and have no subgraph isomorphic to bull graph.

1, 1, 1, 2, 1, 3, 2, 3, 0, 14

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. A244427 (no bull subgraphs), A064731 (integral graphs).

Sequence in context: A350768 A054710 A331779 * A048233 A287730 A260452

Adjacent sequences: A243553 A243554 A243555 * A243557 A243558 A243559

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Status

approved