

A052402


Number of invertible knots with n crossings.


1



0, 0, 1, 1, 2, 3, 7, 20, 47, 132, 365, 1032, 3069, 8854, 26712, 78830
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OFFSET

1,5


REFERENCES

Jablan S. and Sazdanovic R., LinKnot: Knot Theory by Computer, World Scientific Press, 2007.
Hoste, J.; Thistlethwaite, M.; and Weeks, J. "The First 1,701,936 Knots." Math. Intell., 20, 3348, Fall 1998.


LINKS

Table of n, a(n) for n=1..16.
Eric Weisstein's World of Mathematics, Invertible Knot.


CROSSREFS

Equals A051769+A052400.
Sequence in context: A172976 A171655 A006073 * A222939 A222867 A222776
Adjacent sequences: A052399 A052400 A052401 * A052403 A052404 A052405


KEYWORD

nonn,nice


AUTHOR

Eric W. Weisstein


STATUS

approved



