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 A121493 #3 Mar 31 2012 10:26:06 %S A121493 2,60,360360,232792560,144403552893600,164249358725037825439200, %T A121493 71876675494548945530447225706507529440, %U A121493 33312720618553145840562713089120360606823375590405920630576000 %N A121493 Start of the smallest m-string of equal entries in A003418(n)=lcm(1,2,...,n), where m=A121492. %Y A121493 Cf. A002540. %K A121493 nonn %O A121493 1,1 %A A121493 _Lekraj Beedassy_, Aug 03 2006