A059741 Prime unoriented alternating links with n crossings and 2 components.
0, 1, 0, 1, 1, 3, 6, 14, 42, 121, 384, 1408, 5100, 21854, 92234, 427079, 2005800, 9716848, 48184018, 241210386, 1228973463, 6301831944, 32663182521, 170407462900
Offset: 1
Links
- S. R. Finch, Knots, links and tangles
- 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.
- Bruce Fontaine, Knots/Links
- Stuart Rankin, Knot Theory Work of Ortho Flint and Stuart Rankin
- M. B. Thistlethwaite, Home Page
- M. B. Thistlethwaite, Numbers of knots and links with up to 19 crossings
Extensions
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), May 05 2007
a(23)-a(24) corrected using Bruce Fontaine's table by Andrey Zabolotskiy, Jun 08 2022