|
|
A099713
|
|
Consider the family of multigraphs enriched by the species of arborescences. Sequence gives number of those multigraphs with n loops and edges.
|
|
2
|
|
|
1, 2, 11, 103, 1383, 24505, 545354, 14751666, 473719878, 17740486031, 763890459761, 37384489903461
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
REFERENCES
|
G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.
|
|
LINKS
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|