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A287889 Rooted labeled 4-cactus graphs on 3n+1 nodes. 0
0, 12, 4410, 7560000, 35626991400, 357082280755200, 6536573599765809600 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..6.

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

CROSSREFS

Sequence in context: A096732 A127233 A169657 * A288967 A009094 A061701

Adjacent sequences:  A287886 A287887 A287888 * A287890 A287891 A287892

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jun 21 2017

STATUS

approved

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Last modified April 19 04:19 EDT 2019. Contains 322237 sequences. (Running on oeis4.)