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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.
2
1, 1, 8, 112, 2350, 67526, 2514688, 117239888, 6756599164, 509020241244, 72817721736544, 41583904069469312
OFFSET
0,3
REFERENCES
G. Paquin, Dénombrement de multigraphes enrichis, Mémoire, Math. Dept., Univ. Québec à Montréal, 2004.
LINKS
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
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 26 2004
STATUS
approved