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 A205724 #8 Mar 30 2012 18:58:11 %S A205724 10,10,20,10,10,20,30,20,30,10,40,30,20,40,30,10,50,40,30,10,40,30,50, %T A205724 30,20,60,50,30,20,60,40,30,10,70,60,50,30,20,60,50,20,80,70,60,40,30, %U A205724 10,70,60,30,10,90,80,60,50,30,90,70,60,40,30,100,90,80,60,50 %N A205724 prime(k)-prime(j), where the pairs (k,j) are given by A205720 and A205721. %C A205724 For a guide to related sequences, see A205558. %e A205724 (See the example at A205720.) %t A205724 (See the program at A205720.) %Y A205724 Cf. A204890, A205720, A205558, A205725. %K A205724 nonn %O A205724 1,1 %A A205724 _Clark Kimberling_, Jan 31 2012