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 A003552 #18 Jul 02 2024 09:18:07 %S A003552 1,2351,4513,10610063,13264529,31184907679,59862819377,140737488355327 %N A003552 Divisors of 2^47 - 1. %H A003552 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A003552 Divisors[2^47 - 1] (* _Paolo Xausa_, Jul 02 2024 *) %o A003552 (PARI) divisors(2^47-1) \\ _Charles R Greathouse IV_, Jun 22 2017 %Y A003552 Row n = 47 of A361438. %K A003552 nonn,fini,full,easy %O A003552 1,2 %A A003552 _N. J. A. Sloane_