A089791 - OEIS

A089791

Number of projections of rational knots with n crossings.

1, 1, 2, 3, 10, 20, 68, 182, 618

(list; graph; refs; listen; history; text; internal format)

OFFSET

3,3

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. and Sazdanovic R., LinKnot.

CROSSREFS

Cf. A018240=number of rational knots.

KEYWORD

nonn,more

AUTHOR

Slavik Jablan and Radmila Sazdanovic, Jan 09 2004

STATUS

approved