id:A099706 - 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 loops and arcs.

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1, 4, 84, 3568, 305712, 87782720, 144600947392, 1139235294403328, 37012349010095737088, 4840037457225169875031040 (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: A053352 A024259 A024260 this_sequence A012065 A012139 A012037` `Adjacent sequences: A099703 A099704 A099705 this_sequence A099707 A099708 A099709`
	KEYWORD	`nonn`
	AUTHOR	`njas, Oct 26 2004`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.