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A287891 Rooted unlabeled 4-cactus graphs on 3n+1 nodes. 0
0, 1, 3, 11, 46, 208, 1002, 5012, 25863, 136519, 733902 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

Maryam Bahrani and Jérémie Lumbroso, Enumerations, Forbidden Subgraph Characterizations, and the Split-Decomposition, arXiv:1608.01465 [math.CO], 2016.

CROSSREFS

Sequence in context: A006605 A306822 A193074 * A233389 A281548 A086521

Adjacent sequences:  A287888 A287889 A287890 * A287892 A287893 A287894

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jun 21 2017

STATUS

approved

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Last modified April 23 09:35 EDT 2019. Contains 322385 sequences. (Running on oeis4.)