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 A247869 #4 Sep 28 2014 00:10:19 %S A247869 2,2,2,2,2,2,4,3,4,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, %T A247869 4,4,4,4,4,4,6,4,5,6,5,5,5,5,6,5,5,5,5,5,6,5,5,5,6,5,5,5,6,5,5,5,5,5, %U A247869 5,6,5,6,5,5,5,5,5,5,6,5,5,6,5,5,5,5 %N A247869 (prime(A247824(n)) + prime(n)) / (A247824(n) + n). %H A247869 Reinhard Zumkeller, <a href="/A247869/b247869.txt">Table of n, a(n) for n = 1..1000</a> %o A247869 (Haskell) %o A247869 a247869 n = (a000040 (a247824 n) + a000040 n) `div` (a247824 n + n) %Y A247869 Cf. A247824, A000040. %K A247869 nonn %O A247869 1,1 %A A247869 _Reinhard Zumkeller_, Sep 27 2014