id:A099717 - OEIS Search Results

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Consider the family of multigraphs enriched by the species of trees. Sequence gives number of those multigraphs with n loops and edges.

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1, 2, 9, 70, 798, 12230, 238979, 5746740, 165778237, 5626476014, 221330040771, 9950747684006 (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: A108522 A014500 A101482 this_sequence A121879 A118789 A133941` `Adjacent sequences: A099714 A099715 A099716 this_sequence A099718 A099719 A099720`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.