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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.

A096356 Smallest number which can be expressed as the sum of its proper divisors in exactly n ways.

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%I A096356 #9 Mar 28 2015 22:00:08
%S A096356 1,6,12,30,112,24,80,36,228,150,48,156,160,126,1242,132,5300,1330,448,
%T A096356 1326,108,96,1288,90,918,84,1026,750,858,16592,744,72,910,952,60,696,
%U A096356 896,702,690,760,6966,12464,192,570,400,6642,546,594,2178,2420,5424,640
%N A096356 Smallest number which can be expressed as the sum of its proper divisors in exactly n ways.
%C A096356 All numbers in the sequence are pseudoperfect.
%F A096356 A033630(a(n))=n; A033630(j)<>n for j<a(n). - _R. J. Mathar_, Dec 11 2006
%e A096356 a(2)=12 because 12 is the smallest number which can be expressed as the sum of its proper divisors in exactly 2 ways: 12=6+4+2 and 12=6+3+2+1.
%t A096356 (* first *) Needs["DiscreteMath`Combinatorica`"] (* then *) f[n_] := Count[Plus @@@ Subsets[ Drop[ Divisors[n], -1]], n]; t = Table[0, {100}]; Do[ a = f[n]; If[a < 101 && t[[a]] == 0, t[[a]] = n; Print[a, " = ", n]], {n, 2, 16600}]; t (* _Robert G. Wilson v_, Aug 13 2004 *)
%Y A096356 Records are in A065218.
%K A096356 nonn
%O A096356 0,2
%A A096356 _Bernardo Boncompagni_, Aug 04 2004
%E A096356 More terms from _Robert G. Wilson v_, Aug 13 2004
%E A096356 Definition corrected by _R. J. Mathar_, Nov 27 2006