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 A175750 #21 May 05 2023 10:04:11 %S A175750 2880,4032,4800,6336,7488,9408,9792,10944,11200,13248,14580,15552, %T A175750 15680,16704,17600,17856,20412,20800,21312,23232,23328,23616,24768, %U A175750 27072,27200,30400,30528,32076,32448,33984,34496,35136,36450,36800,37908,38592,38720,40768 %N A175750 Numbers with 42 divisors. %C A175750 Numbers of the forms p^41, p^20*q^1, p^13*q^2, p^6*q^5 and p^6*q^2*r^1 (A179703), where p, q, and r are distinct primes. %H A175750 T. D. Noe, <a href="/A175750/b175750.txt">Table of n, a(n) for n = 1..1000</a> %H A175750 OEIS Wiki, <a href="https://oeis.org/wiki/Index_entries_for_number_of_divisors">Index entries for number of divisors</a> %F A175750 A000005(a(n))=42. %t A175750 Select[Range[50000],DivisorSigma[0,#]==42&] (* _Vladimir Joseph Stephan Orlovsky_, May 04 2011 *) %o A175750 (PARI) is(n)=numdiv(n)==42 \\ _Charles R Greathouse IV_, Jun 19 2016 %Y A175750 Cf. A137484, A137488. %K A175750 nonn %O A175750 1,1 %A A175750 _Jaroslav Krizek_, Aug 27 2010 %E A175750 Extended by _T. D. Noe_, May 08 2011