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 A260249 #11 Aug 17 2015 01:38:36 %S A260249 4,8,12,2,1,7,6,3,5,11,10,9 %N A260249 Month numbers in the Gregorian calendar, in alphabetical order of their English names. %H A260249 Wikipedia, <a href="https://en.wikipedia.org/wiki/Gregorian_calendar">Gregorian calendar</a> %e A260249 In alphabetical order, the months of the Gregorian calendar are: April (4), August (8), December (12), February (2), January (1), July (7), June (6), March (3), May (5), November (11), October (10), September (9). %Y A260249 Cf. A033986. %K A260249 nonn,fini,full,word %O A260249 1,1 %A A260249 _Shreevatsa R_, Jul 20 2015