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 A184394 #12 Oct 27 2012 10:13:38 %S A184394 1,11,23,77,71,167,239,299,359,503,527,1511,1007,943,719,2201,3427, %T A184394 5207,2419,2059,1439,10187,12811,3359,3901,3023,6887,6719,2879,6319, %U A184394 10799,13103,5039,6047,4189,13193,5609,18719,20437,18871,22679,43259,27707,25853 %N A184394 The largest number m such that sigma(m) = A007368(n), where A007368(n) = the smallest k such that sigma(x) = k has exactly n solutions. %C A184394 A184393(n) is the sequence of the smallest such numbers. Row n of A201915 gives all n values satisfying sigma(x) = A007368(n). %H A184394 Donovan Johnson, <a href="/A184394/b184394.txt">Table of n, a(n) for n = 1..1000</a> %e A184394 For n = 5, sequence of defined numbers m_5: 30, 46, 51, 55, 71; a(5) = 71. %K A184394 nonn %O A184394 1,2 %A A184394 _Jaroslav Krizek_, Jan 12 2011 %E A184394 Extended by _T. D. Noe_, Jan 24 2012