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 A083150 #8 Sep 25 2019 04:32:16 %S A083150 2,37,2,2,24,2,11,86,2,9951,266077689,1000000000000001 %N A083150 a(n) = A083149(n+1)/A083149(n). %Y A083150 Cf. A083149. %K A083150 base,more,nonn %O A083150 1,1 %A A083150 _Amarnath Murthy_ and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 25 2003 %E A083150 More terms from _Patrick De Geest_, Jun 05 2003 %E A083150 a(12) from _Giovanni Resta_, Sep 22 2019