A243333 Number of simple connected graphs with n nodes that are integral and K_4 free.

1, 1, 1, 1, 2, 5, 5, 9, 15, 38

Offset: 1

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Keywords

• nonn
• more

Comments

K_4 is the complete graph on four vertices.

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

Crossrefs

Cf. A064731 (integral graphs), A079574 (K_4 free graphs).