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 A048551 #6 Oct 15 2019 00:11:50 %S A048551 5,53,5303,530303,53030317,530303173,53030317313,530303173133, %T A048551 53030317313327,53030317313327047,5303031731332704703, %U A048551 530303173133270470327,5303031731332704703273,530303173133270470327321 %N A048551 p(n+1) is next smallest prime beginning with p(n), initial prime is 5. %Y A048551 Cf. A048549-A048556. %K A048551 nonn,base %O A048551 0,1 %A A048551 _Patrick De Geest_, May 15 1999