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 A018490 #16 Jul 08 2025 06:54:21 %S A018490 1,2,3,4,6,7,8,9,12,14,18,21,24,28,36,42,56,63,72,84,126,168,252,504 %N A018490 Divisors of 504. %H A018490 <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a> %t A018490 Divisors[504] (* _Harvey P. Dale_, Mar 02 2020 *) %o A018490 (PARI) divisors(504) \\ _Charles R Greathouse IV_, Jun 21 2017 %K A018490 nonn,fini,full,easy %O A018490 1,2 %A A018490 _N. J. A. Sloane_