id:A089797 - OEIS Search Results

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Number of rational knots and links with unknotting (unlinking) number U=1.

+0
1

1, 1, 1, 2, 3, 4, 6, 9, 15, 19, 30, 39, 63, 79, 126, 159, 255 (list; graph; listen)

	OFFSET	`2,4`
	REFERENCES	`Kohn, P. (1991) Two-bridge links with unlinking number one, Proc. Amer. Math. Soc. 113, 1135-1147.`
	LINKS	`Jablan S., Ordering Knots` `Jablan S. and Sazdanovic R., LinKnot` `A. Stoimenow, Generating Functions, Fibonacci Numbers and Rational Knots`
	CROSSREFS	`Cf. A078477.` `Sequence in context: A000381 A001115 A096824 this_sequence A081237 A022159 A022161` `Adjacent sequences: A089794 A089795 A089796 this_sequence A089798 A089799 A089800`
	KEYWORD	`nonn`
	AUTHOR	`Slavik Jablan and Radmila Sazdanovic (jablans(AT)yahoo.com), Jan 09 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.