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 A075360 #2 Dec 05 2013 19:55:37 %S A075360 11,0,23,43,29,67,89,199,599,2999,4999,29989,59999,79999,389999, %T A075360 989999,6999899,8989999,59899999,89999999,289999999,799999999, %U A075360 3999998999,19999997999,79999999999,399999998999,599999899999,999998999999 %N A075360 Smallest prime (> n-th prime) with sum of digits = the n-th prime, or 0 if no such prime exists. %C A075360 From a(5) onwards the sequence is same as A054750. %Y A075360 Cf. A054750. %K A075360 nonn,base %O A075360 1,1 %A A075360 _Amarnath Murthy_, Sep 19 2002