id:A099704 - OEIS Search Results

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Consider the family of multigraphs enriched by the species of directed graphs. Sequence gives number of those multigraphs with n edges.

+0
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1, 2, 24, 776, 79840, 35397440, 69619053504, 564929183555840, 18464894708236907776, 2418517115222622481308160 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	G. Paquin, D\'enombrement de multigraphes enrichis, M\'emoire, Math. Dept., Univ. Qu\'ebec \`a Montr\'eal, 2004.
	CROSSREFS	`Sequence in context: A009724 A009396 A012128 this_sequence A012186 A012081 A137274` `Adjacent sequences: A099701 A099702 A099703 this_sequence A099705 A099706 A099707`
	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.