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 A083303 #8 Mar 30 2012 18:39:18 %S A083303 1,2,3,9,14,57,72,76,553,1489,6839,44620 %N A083303 Let Pi= sum(k>=0, u(k)/k!) where u(k)>=0 are integer (u(k)=A075874(k)), then sequence gives values of m such that u(m)=0. %C A083303 Integers n such that frac((n-1)!*Pi) < 1/n. %F A083303 A075874(a(n))=0 %K A083303 more,nonn %O A083303 1,2 %A A083303 _Benoit Cloitre_, Jun 03 2003 %E A083303 a(10)-a(12) from _Max Alekseyev_, Jun 17 2011