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 A140768 #11 Feb 17 2015 03:06:28 %S A140768 2,3,5,7,13,37 %N A140768 Prime convenient numbers. %C A140768 Prime terms of A000926. From _Jud McCranie_'s comment in A000926, if an additional term exists it is > 100000000, and Weinberger showed that there is at most one further term. - _Jonathan Vos Post_, Jan 29 2011 %D A140768 J.-M. De Koninck, Ces nombres qui nous fascinent, Entry 37, p. 15, Ellipses, Paris 2008. %K A140768 nonn,more %O A140768 1,1 %A A140768 _Lekraj Beedassy_, Jul 13 2008