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 A205547 #6 Mar 30 2012 18:58:11 %S A205547 1,1,3,4,1,3,5,4,6,1,3,5,7,1,3,5,7,9,4,6,8,4,6,8,11,1,3,5,7,9,10,4,6, %T A205547 8,11,12,1,3,5,7,9,10,13,1,3,5,7,9,10,13,15,1,3,5,7,9,10,13,15,16,4,6, %U A205547 8,11,12,14,4,6,8,11,12,14,18,1,3,5,7,9,10,13 %N A205547 The number j such that 3 divides prime(k)-prime(j), where k(n)=A205560(n). %C A205547 For a guide to related sequences, see A205558. %e A205547 (See the example at A205560.) %t A205547 (See the program at A205560.) %Y A205547 Cf. A205559, A205560. %K A205547 nonn %O A205547 1,3 %A A205547 _Clark Kimberling_, Jan 30 2012