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Search: id:A086771
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| A086771 |
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Prime links (not necessarily connected knots) with n crossings. |
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+0
3
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| 0, 1, 1, 2, 3, 9, 16, 50, 132, 452, 1559
(list; graph; listen)
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OFFSET
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1,4
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REFERENCES
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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.
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LINKS
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D. Bar-Natan, The Hoste-Thistlethwaite Link Table.
R. G. Scharein, Number of Prime Links.
Eric Weisstein's World of Mathematics, Prime Link
S. R. Finch, Knots, links and tangles
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CROSSREFS
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Cf. A002863, A048952, A048953.
Sequence in context: A023147 A095742 A011951 this_sequence A156066 A143890 A056658
Adjacent sequences: A086768 A086769 A086770 this_sequence A086772 A086773 A086774
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KEYWORD
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nonn,nice
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AUTHOR
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S. R. Finch (Steven.Finch(AT)inria.fr), Aug 02 2003
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