id:A098345 - OEIS Search Results

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Consider the family of multigraphs enriched by the species of binary arborescences. Sequence gives number of those multigraphs with n arcs.

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1, 1, 10, 170, 4182, 137262, 5721356, 292803772, 17946811644, 1292298341980, 107643364177688, 10240855765623320 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	G. Paquin, D\'enombrement de multigraphes enrichis, M\'emoire, Math. Dept., Univ. Qu\'ebec \`a Montr\'eal, 2004.
	CROSSREFS	`Sequence in context: A099711 A120977 A034830 this_sequence A119043 A133273 A116636` `Adjacent sequences: A098342 A098343 A098344 this_sequence A098346 A098347 A098348`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.