id:A099696 - 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 edges.

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1, 1, 4, 25, 244, 3380, 62133, 1440382, 40673705, 1364815169, 53415511305 (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: A087660 A121660 A118835 this_sequence A071896 A065740 A144281` `Adjacent sequences: A099693 A099694 A099695 this_sequence A099697 A099698 A099699`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.