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 A117361 #7 Mar 19 2017 01:02:15 %S A117361 0,1,3,6,7,4,9,8,2,5,23,26,27,24,29,28,21,22,25,20,33,36,37,34,39,38, %T A117361 31,32,35,30,13,63 %N A117361 1-digit numbers in reverse alphabetical order when written in French, then 2-digit numbers, ... %C A117361 The last term specified is 63 (soixante-trois) because the sequence then diverges between French variations: the next term would be 73 (soixante-treize) in France, but 66 (soixante-six) in Belgium or Switzerland as 73 is spelled septante-trois in those countries. %e A117361 Zero, un, trois, six, sept, quatre, neuf, huit, deux, cinq, vingt-trois, vingt-six, vingt-sept, vingt-quatre, vingt-neuf, vingt-huit, vingt-et-un, vingt-deux, vingt-cinq, vingt, trente-trois, trente-six, trente-sept, trente-quatre, trente-neuf, trente-huit, trente-et-un, trente-deux, trente-cinq, trente, treize, soixante-trois. %Y A117361 Cf. A001058. %K A117361 nonn,word,base %O A117361 0,3 %A A117361 Olivier Mengue (dolmen(AT)users.sourceforge.net), Apr 24 2006