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 A202728 #8 Mar 30 2012 17:28:27 %S A202728 1,2,3,5,7,8,9,11,13,14,15,16,18,19,20,22,23,27,28,31,36,39,41,43,45, %T A202728 47,48,50,52,54,57,60,62,67,73,74,76,79,82,83,85,86,88,89,93,98,101, %U A202728 102,109,111,117,120,134,136,143,151,158,160,166,167,192,202,221 %N A202728 Records in A067513. %H A202728 Donovan Johnson, <a href="/A202728/b202728.txt">Table of n, a(n) for n = 1..100</a> %F A202728 a(n) = A067513(A202727(n)). %o A202728 (PARI) r=0;for(n=1,1e8,t=sumdiv(n,d,isprime(d+1));if(t>r,r=t;print1(t", "))) %Y A202728 Cf. A202727, A067513. %K A202728 nonn %O A202728 1,2 %A A202728 _Charles R Greathouse IV_, Dec 23 2011