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A098345
Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n arcs.
0
1, 1, 10, 170, 4182, 137262, 5721356, 292803772, 17946811644, 1292298341980, 107643364177688, 10240855765623320
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: A246501 A120977 A034830 * A366299 A361364 A119043
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 26 2004
STATUS
approved