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 A138394 #6 Mar 30 2012 19:00:37 %S A138394 1,2,3,4,6,8,9,10,16,20,24,30,48,60,64,72,80,84,100,108,126,162,189, %T A138394 192,224,384,448,512,576,672,11520 %N A138394 Smallest number with a(n) divisors is in A134865. %C A138394 The indices of elements of A005179 that belong to A134865. Sorted version of the sequence A140752. - _Max Alekseyev_, May 26 2008 %F A138394 a(n) = A000005(A140753(n)) - _Max Alekseyev_, May 26 2008 %e A138394 8 is in this sequence because the smallest number with 8 divisors (24) is a member of A134865. %Y A138394 Cf. A000005, A005179, A134865, A140752, A140753. %K A138394 more,nonn %O A138394 1,2 %A A138394 _J. Lowell_, May 08 2008 %E A138394 a(31)=11520 from _Ray Chandler_, Jun 30 2008