login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A099715 Consider the family of multigraphs enriched by the species of arborescences. Sequence gives number of those multigraphs with n arcs. 0
1, 1, 8, 113, 2374, 67927, 2508632, 115219211, 6402538044, 42137859873, 32293353537408, 2842256451820073 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.

LINKS

Table of n, a(n) for n=0..11.

G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004. [Cached copy, with permission]

CROSSREFS

Sequence in context: A064090 A072402 A092084 * A023814 A217772 A062126

Adjacent sequences:  A099712 A099713 A099714 * A099716 A099717 A099718

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 26 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 15 22:28 EST 2019. Contains 320138 sequences. (Running on oeis4.)