id:A049344 - OEIS Search Results

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Prime unoriented alternating links (not necessarily connected knots) with n crossings.

+0
2

0, 1, 1, 2, 3, 8, 14, 39, 96, 297, 915, 3308, 12417, 51347, 222595, 1016975, 4799520, 23301779, 115405815 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`S. R. Finch, Knots, links and tangles`
	CROSSREFS	`Cf. A002864. Row sums of A059739.` `Sequence in context: A022951 A128305 A129700 this_sequence A080877 A007165 A107321` `Adjacent sequences: A049341 A049342 A049343 this_sequence A049345 A049346 A049347`
	KEYWORD	`nonn,nice,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Feb 10 2001`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.