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 A293529 #14 Oct 15 2017 09:38:52 %S A293529 0,8,12,18,26,39,48,53,63,76,117,136,126,186,179,217,251,274,321,357, %T A293529 355,391,469,506,515,620,623,713,722,771,898 %N A293529 Smallest number of iterations of f(x)=A000720(n*x) at x=1 to reach the limit (=A038626(n)). %F A293529 a(n) = smallest k such that f^(k)(1)=A038626(n). %Y A293529 Cf. A000720, A038626. %K A293529 nonn,more %O A293529 2,2 %A A293529 _Max Alekseyev_, Oct 11 2017