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 A018522 #16 Jul 08 2025 06:57:11 %S A018522 1,3,7,9,21,27,63,81,189,567 %N A018522 Divisors of 567. %H A018522 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018522 Divisors[567] (* _Wesley Ivan Hurt_, Sep 04 2022 *) %o A018522 (PARI) divisors(567) \\ _Charles R Greathouse IV_, Jun 21 2017 %K A018522 nonn,fini,full,easy %O A018522 1,2 %A A018522 _N. J. A. Sloane_