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 A204086 #5 Mar 30 2012 17:30:04
%S A204086 3,15,63,135,567,315,5103,1155,1575,2835,413343,4095,3720087,25515,
%T A204086 14175,10395,301327047,20475,2711943423,36855,127575,2066715,
%U A204086 219667417263,51975,354375,18600435,121275,331695,160137547184727,184275,1441237924662543,135135
%N A204086 Least term of A004767 with exactly 2n divisors.
%C A204086 For odd prime p, a(p) = 3^(p-1)*7.
%H A204086 Ray Chandler, <a href="/A204086/b204086.txt">Table of n, a(n) for n = 1..2098</a> (a(2099) exceeds 1000 digits).
%F A204086 a(n) = min{d|n: A018782(d) * A204046(n/d)}.
%F A204086 a(n) = 4*A078714(n)-1.
%Y A204086 Cf. A004767, A018782, A204046, A078714.
%K A204086 nonn
%O A204086 1,1
%A A204086 _Ray Chandler_, Jan 10 2012