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 A141758 #5 Jan 21 2014 12:30:21 %S A141758 1,2,12,24,36,72,240,480,720,1440,4320,6720,13440,20160,21600,40320, %T A141758 60480,64800,120960,194400,241920,302400,423360,483840,604800,846720, %U A141758 907200,1814400,2721600,3628800,5443200,6350400,7257600,10644480,10886400,12700800,18144000 %N A141758 Elements n of A141586 with property that A100762(n) = n. %H A141758 David Applegate and N. J. A. Sloane, <a href="/A141758/b141758.txt">Table of n, a(n) for n = 1..66</a> %K A141758 nonn %O A141758 1,2 %A A141758 _David Applegate_ and _N. J. A. Sloane_, Sep 16 2008