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 A018559 #16 Jul 08 2025 07:15:50 %S A018559 1,2,3,5,6,7,9,10,14,15,18,21,30,35,42,45,63,70,90,105,126,210,315,630 %N A018559 Divisors of 630. %H A018559 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018559 Divisors[630] (* _Wesley Ivan Hurt_, Sep 04 2022 *) %o A018559 (PARI) divisors(630) \\ _Charles R Greathouse IV_, Jun 21 2017 %K A018559 nonn,fini,full,easy %O A018559 1,2 %A A018559 _N. J. A. Sloane_