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 A205688 #6 Mar 30 2012 18:58:11 %S A205688 5,10,15,10,20,10,10,20,35,30,20,30,10,40,30,20,45,40,30,10,50,40,30, %T A205688 10,40,30,50,30,20,65,60,50,30,20,60,40,30,10,70,60,50,30,20,60,50,20, %U A205688 80,70,60,40,30,10,70,60,30,10,95,90,80,60,50,30,90,70,60,40,30 %N A205688 prime(k)-prime(j), where the pairs (k,j) are given by A205684 and A205685. %C A205688 For a guide to related sequences, see A205558. %e A205688 (See the example at A205684.) %t A205688 (See the program at A205684.) %Y A205688 Cf. A205684, A205558. %K A205688 nonn %O A205688 1,1 %A A205688 _Clark Kimberling_, Jan 30 2012