OFFSET
9,3
REFERENCES
S. A. Bleiler, A note on unknotting number, Math. Proc. Camb. Phil. Soc. 96 (1984) 469-471.
D. Garity, Unknotting numbers are not realized in minimal projections for a class of rational knots. Proceedings of the "II Italian-Spanish Congress on General Topology and its Applications" (Trieste, 1999). Rend. Istit. Mat. Univ. Trieste 32 (2001), suppl. 2, 59-72 (2002).
Y. Nakanishi, Unknotting numbers and knot diagrams with the minimum crossings, Math. Sem. Notes Kobe Univ. 11 (1983) 257-258.
LINKS
S. Jablan and R. Sazdanovic, LinKnot
EXAMPLE
The first link with unlinking gap is 9_4^2=414.
For n=11 there are links 434,614,5132,51113, etc.
CROSSREFS
KEYWORD
nonn
AUTHOR
Slavik Jablan and Radmila Sazdanovic (jablans(AT)mi.sanu.ac.rs), Feb 26 2004; corrected Aug 29 2004
STATUS
approved