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 A137489 #14 May 04 2018 08:50:01 %S A137489 12288,20480,28672,45056,53248,69632,77824,94208,118784,126976,151552, %T A137489 167936,176128,192512,217088,241664,249856,274432,290816,299008, %U A137489 323584,339968,364544,397312,413696,421888,438272,446464,462848,520192,536576 %N A137489 Numbers with 26 divisors. %C A137489 Maple implementation: see A030513. %C A137489 Numbers of the form p^25 (5th powers of A050997, subset of A010813) or p*q^12, where p and q are distinct primes. - _R. J. Mathar_, Mar 01 2010 %H A137489 T. D. Noe, <a href="/A137489/b137489.txt">Table of n, a(n) for n = 1..1000</a> %F A137489 A000005(a(n))=26. %t A137489 Select[Range[900000],DivisorSigma[0,#]==26&] (* _Vladimir Joseph Stephan Orlovsky_, May 05 2011 *) %o A137489 (PARI) is(n)=numdiv(n)==26 \\ _Charles R Greathouse IV_, Jun 19 2016 %Y A137489 Cf. A030513-A030516, A030626, A030627, A030634-A030638, A005179, A003680, A096932, A061286, A061283. %K A137489 nonn %O A137489 1,1 %A A137489 _R. J. Mathar_, Apr 22 2008