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A086771
Prime links (not necessarily connected knots) with n crossings.
5
0, 1, 1, 2, 3, 9, 16, 50, 132, 452, 1559
OFFSET
1,4
REFERENCES
D. J. A. Welsh, On the number of knots and links, Sets, Graphs and Numbers (Budapest, 1991) 713-718, Colloq. Math. Soc. Janos Bolyai, 60, North-Holland, Amsterdam, 1992.
LINKS
S. R. Finch, Knots, links and tangles, Aug 08 2003. [Cached copy, with permission of the author]
Steven R. Finch, Mathematical Constants II, Encyclopedia of Mathematics and Its Applications, Cambridge University Press, Cambridge, 2018, p. 627.
R. G. Scharein, Number of Prime Links.
Eric Weisstein's World of Mathematics, Prime Link
CROSSREFS
KEYWORD
nonn,nice,more
AUTHOR
Steven Finch, Aug 02 2003
STATUS
approved