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 A205717 #8 Mar 30 2012 18:58:11 %S A205717 1,2,3,2,2,2,4,2,4,5,4,2,4,6,4,2,6,2,6,4,6,2,6,4,8,4,2,9,8,6,4,8,4,2, %T A205717 10,6,4,2,11,10,8,6,2,10,8,4,10,6,4,2,10,8,4,12,10,8,6,12,10,6,2,14, %U A205717 12,10,8,2,15,14,12,10 %N A205717 (prime(k)-prime(j))/9, where the pairs (k,j) are given by A205712 and A205713. %C A205717 For a guide to related sequences, see A205558. %e A205717 (See the example at A205712.) %t A205717 (See the program at A205712.) %Y A205717 Cf. A204890, A205712, A205716, A205558. %K A205717 nonn %O A205717 1,2 %A A205717 _Clark Kimberling_, Jan 31 2012