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 A239636 #4 Mar 23 2014 01:40:18 %S A239636 1,1,3,5,11,13,19,21,27,37,39,49,55,57,63,73,83,85,95,101,103,113,119, %T A239636 129,143,149,151,157,159,165,191,197,207,209,227,229,239,249,255,265, %U A239636 275,277,295,297,303,305,327,349,355,357,363,373,375,393,403,413 %N A239636 Distance between the two occurrences of n-th prime in A082500. %C A239636 a(n) = 2*A000040(n) - 1 - 2*A049084(A000040(n)). %H A239636 Reinhard Zumkeller, <a href="/A239636/b239636.txt">Table of n, a(n) for n = 1..10000</a> %F A239636 a(n) = 2*A014689(n) - 1. %o A239636 (Haskell) %o A239636 a239636 = subtract 1 . (* 2) . a014689 %K A239636 nonn %O A239636 1,3 %A A239636 _Reinhard Zumkeller_, Mar 22 2014