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 A133166 #8 Feb 28 2020 04:38:29 %S A133166 0,0,0,1,0,1,0,2,1,6,3,30,38,290,806,5460,23164,157533,877106 %N A133166 Minimal species of Latin trades of size n. %H A133166 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 A133166 Cf. A007083. %K A133166 nonn,more %O A133166 1,8 %A A133166 _Ian Wanless_, Oct 11 2007