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 A133788 #9 Aug 24 2025 05:50:12 %S A133788 3,7,23,113,1327,9551,19609,155921,1357201,4652353,387096133, %T A133788 3842610773 %N A133788 Primes where the record gaps in A053686 first appear. %K A133788 nonn,more,changed %O A133788 1,1 %A A133788 _N. J. A. Sloane_, Dec 31 2007 %E A133788 a(4)-a(11) from _Farideh Firoozbakht_, Dec 31 2007 %E A133788 a(12) from _Donovan Johnson_, Nov 24 2008