id:A130629 - OEIS Search Results

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Number of virtual knots of crossing number n, counting only classical crossings. Mirror images and inverses are not distinguished.

+0
1

1, 0, 1, 7, 108, 2448, 90235 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`Louis Kauffman, Virtual knot theory, European J. Comb. (1999) Vol. 20, 663-690`
	LINKS	`Jeremy Green, virtual knot table.` `Louis Kauffman, Virtual knot theory, arXiv link`
	CROSSREFS	`Sequence in context: A141932 A002687 A033516 this_sequence A137648 A106977 A142480` `Adjacent sequences: A130626 A130627 A130628 this_sequence A130630 A130631 A130632`
	KEYWORD	`nonn`
	AUTHOR	`Chan-Ho Suh (suh(AT)math.ucdavis.edu), Aug 11 2007`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.