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A099693 Consider the family of multigraphs enriched by the species of directed sets. Sequence gives number of those multigraphs with n loops and edges. +0
1
1, 2, 11, 89, 1063, 17099, 352700, 8987170, 275303298, 9930027149, 414883314611 (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: A138739 A106961 A099662 this_sequence A138552 A004677 A094955

Adjacent sequences: A099690 A099691 A099692 this_sequence A099694 A099695 A099696

KEYWORD

nonn

AUTHOR

njas, Oct 26 2004

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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