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 A242906 #5 May 26 2014 10:35:03 %S A242906 5,53,353,3253,5233,5323,13523,15233,23531,31253,32531,33521,52313, %T A242906 53231,102533,105323,123503,125303,130253,130523,150323,203351,203531, %U A242906 205133,210533,231053,231503,235013,251033,253013,253103,302513,305231,320153,320513,321053 %N A242906 a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=5. %Y A242906 Cf. A242904, A242905, A242907. %K A242906 nonn,base %O A242906 1,1 %A A242906 _Michel Lagneau_, May 26 2014