A048952 Prime 2-component links with n crossings.

0, 1, 0, 1, 1, 3, 8, 16, 61, 185, 638, 2818, 11292

Offset

1,6

References

D. Rolfsen, Knots and Links. Wilmington, DE: Publish or Perish Press, 1976.

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.

Links

Table of n, a(n) for n=1..13.

D. Bar-Natan, The Thistlethwaite Link Table.

Dylan Joshua Faullin, The Classification of Links of Up To And Including Thirteen Crossings, Master's Thesis, University of Tennessee, 2005.

S. R. Finch, Knots, links and tangles [dead link]

S. R. Finch, Knots, links and tangles, Aug 08 2003. [Cached copy, with permission of the author]

Steven R. Finch, Mathematical Constants II, Encyclopedia of Mathematics and Its Applications, Cambridge University Press, Cambridge, 2018, p. 627.

R. G. Scharein, Number of Prime Links.

Eric Weisstein's World of Mathematics, Prime Link

Crossrefs

Cf. A048953, A086771.

Sequence in context: A201250 A196373 A027291 * A079666 A193684 A308850

Adjacent sequences: A048949 A048950 A048951 * A048953 A048954 A048955

Keyword

nonn,more

Author

Eric W. Weisstein

Extensions

More terms from Steven Finch, Aug 02 2003

a(12)-a(13) from Faullin added by Andrey Zabolotskiy, Feb 26 2023

Status

approved