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 A119319 #3 Mar 30 2012 18:50:54 %S A119319 1,2,3,6,6,10,15,30,15,30,30,35,30,70,105,210,42,70,70,105,105,210, %T A119319 210,70,105,165,105,105,210,770,210,2310,210,330,105,210,330,210,385, %U A119319 455,462,770,770,1155,1155,2310,2310,385,455,330,462,455,330,770,910,455 %N A119319 n-th divisor of A119312(n), the smallest number such that the n-th divisor is squarefree. %Y A119319 Cf. A005117, A119317, A119318. %K A119319 nonn %O A119319 1,2 %A A119319 _Reinhard Zumkeller_, May 15 2006