This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A049344 #21 Jun 09 2022 06:21:02 %S A049344 0,1,1,2,3,8,14,39,96,297,915,3308,12417,51347,222595,1016975,4799520, %T A049344 23301779,115405815,581071711,2963793396,15283327150,79544488072, %U A049344 417377448058 %N A049344 Prime unoriented alternating links (not necessarily connected knots) with n crossings. %H A049344 S. R. Finch, <a href="http://www.people.fas.harvard.edu/~sfinch/">Knots, links and tangles</a> [dead link] %H A049344 S. R. Finch, <a href="/A002863/a002863_4.pdf">Knots, links and tangles</a>, Aug 08 2003. [Cached copy, with permission of the author] %H A049344 Steven R. Finch, <a href="https://doi.org/10.1017/9781316997741">Mathematical Constants II</a>, Encyclopedia of Mathematics and Its Applications, Cambridge University Press, Cambridge, 2018, p. 626. %H A049344 Bruce Fontaine, <a href="https://pi.math.cornell.edu/~bfontain/knots.html">Knots/Links</a> %H A049344 Stavros Garoufalidis and Thao Vuong, <a href="https://doi.org/10.1007/s11139-014-9592-5">Alternating knots, planar graphs, and q-series</a>, The Ramanujan Journal 36.3 (2015): 501-527; arXiv:<a href="https://arxiv.org/abs/1304.1071">1304.1071</a> [math.GT], 2013. See (28). %Y A049344 Cf. A002864, A086771. Row sums of A059739. %K A049344 nonn,nice,hard,more %O A049344 1,4 %A A049344 _N. J. A. Sloane_, Feb 10 2001 %E A049344 a(20)-a(24) from Bruce Fontaine's table (produced by him together with Stuart Rankin and Ortho Flint in 2007) added by _Andrey Zabolotskiy_, Jun 08 2022