id:A098627 - OEIS Search Results

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

+0
1

1, 0, 1, 2, 27, 164, 2335, 25458, 437241, 6965112, 145640817, 3057675290, 76814951587, 2003471245164 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	G. Paquin, D\'enombrement de multigraphes enrichis, M\'emoire, Math. Dept., Univ. Qu\'ebec \`a Montr\'eal, 2004.
	CROSSREFS	`Sequence in context: A041801 A166942 A119351 this_sequence A051766 A058406 A049070` `Adjacent sequences: A098624 A098625 A098626 this_sequence A098628 A098629 A098630`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.