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A099694 Consider the family of multigraphs enriched by the species of directed sets. Sequence gives number of those multigraphs with n loops and arcs. +0
1
1, 2, 17, 244, 5283, 156092, 5954547, 282221828, 16159327961, 1094056231572, 86116276633357 (list; graph; listen)
OFFSET

0,2

REFERENCES

G. Paquin, D\'enombrement de multigraphes enrichis, M\'emoire, Math. Dept., Univ. Qu\'ebec \`a Montr\'eal, 2004.

CROSSREFS

Sequence in context: A058239 A006227 A036082 this_sequence A099698 A098622 A020561

Adjacent sequences: A099691 A099692 A099693 this_sequence A099695 A099696 A099697

KEYWORD

nonn

AUTHOR

njas, Oct 26 2004

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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