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A099703 Consider the family of multigraphs enriched by the species of simple graphs. Sequence gives number of those multigraphs with n arcs. 0
1, 1, 8, 112, 2350, 67526, 2514688, 117239888, 6756599164, 509020241244, 72817721736544, 41583904069469312 (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: A219184 A034689 A010041 * A296467 A164774 A259590

Adjacent sequences:  A099700 A099701 A099702 * A099704 A099705 A099706

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 26 2004

STATUS

approved

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Last modified November 14 23:27 EST 2018. Contains 317221 sequences. (Running on oeis4.)