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 A048555 #6 Oct 15 2019 00:11:09 %S A048555 17,173,1733,17333,1733309,173330917,1733309173,17333091733, %T A048555 1733309173319,173330917331917,17333091733191701,1733309173319170103, %U A048555 173330917331917010357,17333091733191701035703 %N A048555 p(n+1) is next smallest prime beginning with p(n), initial prime is 17. %Y A048555 Cf. A048549-A048556. %K A048555 nonn,base %O A048555 0,1 %A A048555 _Patrick De Geest_, May 15 1999