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 A036218 #19 Jul 08 2025 21:43:14 %S A036218 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0,1,2, %T A036218 3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0,1,2,3,4,5, %U A036218 6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,0,1,2,3,4,5 %N A036218 Hours recorded by a 24-hour clock. %C A036218 Period 24: repeat [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]. - _Omar E. Pol_, Apr 26 2016 %H A036218 Wikipedia, <a href="https://en.wikipedia.org/wiki/24-hour_clock">24-hour clock</a>. %t A036218 Mod[#, 24] & /@ Range[0, 77] (* _Michael De Vlieger_, Apr 27 2016 *) %o A036218 (PARI) a(n) = n % 24; \\ _Michel Marcus_, Apr 27 2016 %Y A036218 Cf. A034326. %K A036218 nonn,easy %O A036218 0,3 %A A036218 _N. J. A. Sloane_