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A099690
Consider the family of multigraphs enriched by the species of mod-6 sets. Sequence gives number of those multigraphs with 6n loops and arcs.
0
1, 2, 6008, 463376006
OFFSET
0,2
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: A129060 A190127 A374194 * A196750 A349512 A107021
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 26 2004
STATUS
approved