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 A133817 #7 Feb 01 2023 12:28:56 %S A133817 15,7,8,20,21,3,6,5,10,4,3,3,9,13,2,5,12,6,3,22,13,12,17,2,2,4,5,7,7, %T A133817 10,22,3,22,13,12,17,2,3,14,13,4,10,14,2,5,11,13,15,7,8,20,21,3,6,8, %U A133817 13,4,13 %N A133817 Second German version of A131744. %C A133817 Diacritics are ignored when computing the rank of a letter. %C A133817 The numbers 23 and 25 do not occur in the sequence. %e A133817 The sequence begins Funfzehn, sieben, acht, zwanzig, einundzwanzig, drei, ... %Y A133817 Cf. A131744, A131745, A131746, A130716, A133816. %K A133817 nonn,word,more %O A133817 1,1 %A A133817 _David Applegate_, Sep 24 2007