A243555 Number of simple connected graphs with n nodes that are Eulerian and have no subgraph isomorphic to bull graph.

1, 0, 1, 1, 2, 3, 5, 14, 30, 95

Offset

1,5

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), A003049 (Eulerian graphs).

Sequence in context: A336273 A104870 A232162 * A114411 A323768 A155698

Adjacent sequences: A243552 A243553 A243554 * A243556 A243557 A243558

Keyword

nonn,more

Author

Travis Hoppe and Anna Petrone, Jun 06 2014

Status

approved