A243338 Number of simple connected graphs with n nodes that are trees and not integral.

0, 0, 1, 2, 2, 5, 10, 23, 47, 105

Offset: 1

Author

Travis Hoppe and Anna Petrone, Jun 03 2014

Keywords

• nonn
• more

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. A241842 (non-integral graphs), A000055 (tree graphs).