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 A094031 #7 Apr 21 2014 22:56:40 %S A094031 0,1,0,5,0,18,0,57,0,183,0,604,0,2047,0,7145,0,25471,0,92193 %N A094031 Number of n-crossing 2 component links with alternating braids of 3 strands. %D A094031 K. Murasugi and B. J. Kurpita, A Study of Braids, Kluwer Academic Publishers (1999), pp. 127-166 %H A094031 T. A. Gittings, <a href="http://www.arXiv.org/abs/math.GT/0401051">Minimum braids: a complete invariant of knots and links</a>. %H A094031 V. F. R. Jones, <a href="http://www.jstor.org/stable/1971403">Hecke algebra representations of braid groups and link polynomials</a>, Ann. of Math., 126 (1987), pp. 335-388. %Y A094031 Cf. A094029, A094030, A094032. %K A094031 nonn,more %O A094031 4,4 %A A094031 _Thomas A. Gittings_, Apr 22 2004