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 A052247 #4 Oct 15 2013 22:30:33 %S A052247 5,5,7,5,5,7,5,7,5,7,13,5,5,11,7,5,5,5,5,7,13,5,19,5,5,5,13,5,5,19,5, %T A052247 5,13,11,5,7,17,11,5,23,13,7,11,5,5,17,11,7,5,19,7,7,29,23,5,5,5,5,5, %U A052247 29,37,5,31,5,7,5,7,5,5,11,5,17,7,13,5,11,23,5,11,5,5,5,47,5,29,5,5,13,5 %N A052247 Maximal value of smallest prime divisors of the 5 composite numbers between A031924(n) and A031925(n). %e A052247 The 5 composites between A031924(1) = 23 and A031925(1) = 29 are 24, 25, 26, 27, 28; their smallest prime divisors are 2 5 2 3 2; the maximal value is 5; so a(1) = 5. %Y A052247 A031924, A031925, A052158. %K A052247 nonn %O A052247 1,1 %A A052247 _Labos Elemer_, Feb 01 2000