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 A049105 #8 Aug 27 2018 16:48:35 %S A049105 1,2,3,4,5,6,7,8,9,2,4,2,4,8,1,1,8,8,6,5,4,2,2,8,3 %N A049105 Ratio from A049101. %Y A049105 Cf. A049101, A049102, A049106. %K A049105 nonn,base,fini,full %O A049105 1,2 %A A049105 _Olivier Gérard_