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 A133167 #8 Feb 28 2020 04:38:37 %S A133167 0,0,0,1,0,1,1,5,4,19,26,163,445,2302,10795,63624,381626,2547990, %T A133167 17919970 %N A133167 Species of Latin trades of size n. %H A133167 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 A133167 Cf. A007083. %K A133167 nonn,more %O A133167 1,8 %A A133167 _Ian Wanless_, Oct 11 2007