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 A003534 #18 Jul 02 2024 08:19:23 %S A003534 1,3,2731,8191,8193,24573,22369621,67108863 %N A003534 Divisors of 2^26 - 1. %H A003534 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A003534 Divisors[2^26 - 1] (* _Paolo Xausa_, Jul 02 2024 *) %o A003534 (PARI) divisors(2^26-1) \\ _Charles R Greathouse IV_, Jun 22 2017 %Y A003534 Row n = 26 of A361438. %K A003534 nonn,fini,full,easy %O A003534 1,2 %A A003534 _N. J. A. Sloane_