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 A205687 #7 Jul 12 2012 00:40:00 %S A205687 2,3,2,7,3,13,19,11,2,7,17,11,31,3,13,23,2,7,17,37,3,13,23,43,19,29, %T A205687 11,31,41,2,7,17,37,47,11,31,41,61,3,13,23,43,53,19,29,59,3,13,23,43, %U A205687 53,73,19,29,59,79,2,7,17,37,47,67,11,31,41,61,71,3,13,23,43,53 %N A205687 Prime(A205685(n)), the n-th number s(j) such that 5 divides s(k)-s(j), where the pairs (k,j) are given by A205684 and A205685. %C A205687 For a guide to related sequences, see A205558. %e A205687 (See the example at A205684.) %t A205687 (See the program at A205684.) %Y A205687 Cf. A205684, A205558. %K A205687 nonn %O A205687 1,1 %A A205687 _Clark Kimberling_, Jan 30 2012