id:A099699 - OEIS Search Results

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

+0
1

1, 1, 8, 108, 2200, 61708, 2249268, 102377404, 5651999688, 370171228504, 28262385542832 (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: A164749 A048543 A120975 this_sequence A084915 A138456 A095917` `Adjacent sequences: A099696 A099697 A099698 this_sequence A099700 A099701 A099702`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.