A129586 Number of unlabeled connected bi-point-determining graphs (see A129583).

1, 0, 0, 1, 5, 31, 293, 4986, 151096, 8264613

Offset

1,5

Comments

The calculation of the number of connected bi-point-determining graphs is carried out by examining the connected components of bi-point-determining graphs. For more details, see linked paper "Enumeration of point-determining Graphs".

Links

Table of n, a(n) for n=1..10.

Ira M. Gessel and Ji Li, Enumeration of point-determining Graphs, Journal of Combinatorial Theory, Series A 118 (2011) 591-612.

Crossrefs

Cf. graphs: labeled A006125, unlabeled A000568; connected graphs: labeled A001187, unlabeled A001349; point-determining graphs: labeled A006024, unlabeled A004110; connected point-determining graphs: labeled A092430, unlabeled A004108; connected co-point-determining graphs: labeled A079306, unlabeled A004108; bi-point-determining graphs: labeled A129583, unlabeled A129584; connected bi-point-determining graphs: labeled A129585, unlabeled A129586; phylogenetic trees: labeled A000311, unlabeled A000669.

Sequence in context: A340392 A360774 A176302 * A135744 A363744 A372162

Adjacent sequences: A129583 A129584 A129585 * A129587 A129588 A129589

Keyword

nice,nonn,more

Author

Ji Li (vieplivee(AT)hotmail.com), May 07 2007

Extensions

151096 and 8264613 from Vladeta Jovovic, May 10 2007

Status

approved