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 A003546 #25 Jul 02 2024 05:02:20 %S A003546 1,3,5,11,15,17,25,31,33,41,51,55,75,85,93,123,155,165,187,205,255, %T A003546 275,341,425,451,465,527,561,615,697,775,825,935,1023,1025,1271,1275, %U A003546 1353,1581,1705,2091,2255,2325 %N A003546 Divisors of 2^40 - 1. %H A003546 T. D. Noe, <a href="/A003546/b003546.txt">Table of n, a(n) for n = 1..192</a> (all divisors) %H A003546 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A003546 Divisors[2^40 - 1] (* _Paolo Xausa_, Jul 02 2024 *) %o A003546 (PARI) divisors(2^40-1) \\ _Charles R Greathouse IV_, Jun 21 2017 %Y A003546 Row n = 40 of A361438. %K A003546 nonn,fini,full,easy %O A003546 1,2 %A A003546 _N. J. A. Sloane_