id:A099686 - OEIS Search Results

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Consider the family of multigraphs enriched by the species of quaternary sets. Sequence gives number of those multigraphs with 4n loops and arcs.

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1, 2, 457, 941987, 8153027092, 208426400639147 (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: A012730 A012734 A104183 this_sequence A066152 A112862 A094484` `Adjacent sequences: A099683 A099684 A099685 this_sequence A099687 A099688 A099689`
	KEYWORD	`nonn`
	AUTHOR	`njas, Oct 26 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.