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 A140753 #6 Mar 30 2012 17:29:55 %S A140753 1,2,4,6,12,24,36,48,120,240,360,720,2520,5040,7560,10080,15120,20160, %T A140753 45360,50400,100800,352800,705600,332640,665280,4324320,8648640, %U A140753 17297280,21621600,43243200,13492656777600 %N A140753 Subsequence of elements of A005179 that appear in A134865. %C A140753 Rearrangement of elements of A134865 in order of their appearance in A005179. Hence A134865 represents a sorted variant of this sequence. %F A140753 a(n) = A005179(A138394(n)) %Y A140753 Cf. A000005, A005179, A134865, A138394, A140752. %K A140753 more,nonn %O A140753 1,2 %A A140753 _Max Alekseyev_, May 26 2008 %E A140753 a(31)=13492656777600 from _Ray Chandler_, Jun 30 2008