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 A139571 #23 May 06 2021 08:24:17 %S A139571 1073741824,205891132094649,931322574615478515625, %T A139571 22539340290692258087863249,17449402268886407318558803753801, %U A139571 2619995643649944960380551432833049 %N A139571 Numbers with 31 divisors. %C A139571 30th powers of primes. The n-th number with p divisors is equal to the n-th prime raised to power p-1, where p is prime. %C A139571 Start of 31st row of A073915. - _R. J. Mathar_, Jun 27 2009, Jun 28 2009 %H A139571 T. D. Noe, <a href="/A139571/b139571.txt">Table of n, a(n) for n = 1..1000</a> %H A139571 OEIS Wiki, <a href="https://oeis.org/wiki/Index_entries_for_number_of_divisors">Index entries for number of divisors</a> %F A139571 a(n) = A000040(n)^(31-1) = A000040(n)^30. %F A139571 a(n) = A122971(A000040(n)). - _R. J. Mathar_, Jun 27 2009 %t A139571 Prime[Range[11]]^30 (* _Vladimir Joseph Stephan Orlovsky_, May 05 2011 *) %o A139571 (PARI) a(n)=prime(n)^30 \\ _Charles R Greathouse IV_, Jun 19 2016 %Y A139571 Cf. A073915, A122971, A137493 (30 divs), A175742 (32 divs). %K A139571 nonn,easy %O A139571 1,1 %A A139571 _Omar E. Pol_, May 07 2008