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A089790
Number of projections of rational knots and links with n crossings.
1
1, 1, 2, 3, 7, 14, 38, 98, 300, 937
OFFSET
2,3
REFERENCES
Kirkman T.P.: The enumeration, description and construction of knots of fewer than ten crossings. Trans. Roy. Soc. Edinburgh 32 (1885), 281-309.
Tait P.G.: On knots. Trans. Roy. Soc. Edin. 28 (1876/77), 145-190.
LINKS
A. Caudron, Classification des noeuds et des enlacements, Public. Math. d'Orsay 82. Orsay: Univ. Paris Sud, Dept. Math., 1982.
Alain Caudron, Classification des noeuds et des enlacements (Thèse et additifs), Univ. Paris-Sud, 1989 [Scanned copy, included with permission] Contains additional material.
Jablan S., Ordering Knots.
Jablan S. and Sazdanovic R., LinKnot.
CROSSREFS
Cf. A005418= number of rational knots and links.
Sequence in context: A090828 A296416 A049367 * A296417 A296418 A006785
KEYWORD
nonn,more
AUTHOR
Slavik Jablan and Radmila Sazdanovic, Jan 09 2004
STATUS
approved