id:A098624 - 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 edges.

+0
1

1, 0, 1, 2, 15, 84, 750, 6852, 79639, 1006184, 14875218, 241078100, 4392257716, 87279581232 (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: A057152 A002740 A108475 this_sequence A116079 A153445 A037746` `Adjacent sequences: A098621 A098622 A098623 this_sequence A098625 A098626 A098627`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.