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 A133168 #8 Feb 28 2020 04:38:45 %S A133168 0,0,0,1,0,2,0,4,2,13,7,78,106,839,2368,16228,69292,471625,2629867 %N A133168 Minimal transposition classes of Latin trades of size n. %H A133168 I. M. Wanless, <a href="https://ajc.maths.uq.edu.au/pdf/39/ajc_v39_p247.pdf">A computer enumeration of small latin trades</a>, Australas. J. Combin. 39, (2007) 247-258. %Y A133168 Cf. A007083. %K A133168 nonn,more %O A133168 1,6 %A A133168 _Ian Wanless_, Oct 11 2007