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 A277685 #25 Feb 27 2020 22:50:05 %S A277685 26,21,4,20,17,3,19,19,15,14,4,15,4,20,17,17,4,4,4,4,22,22,22,22,22, %T A277685 22,22,22,22,22,20,20,20,20,20,20,20,20,20,20,17,17,17,17,17,17,17,17, %U A277685 17,17,3,3,3,3,3,3,3,3,3,3,19,19,19,19,19,19 %N A277685 Position of first letter of n (in Portuguese) in alphabet. %C A277685 Fourteen has two spellings in Portuguese: "quatorze" and "catorze". I chose the first one because it's the most used. %H A277685 João M. de Medeiros, <a href="/A277685/b277685.txt">Table of n, a(n) for n = 0..999</a> %e A277685 "Um" -- Portuguese for one -- begins with U, which is the 21st letter in the alphabet, so a(1)=21. %o A277685 (Python) %o A277685 from num2words import num2words %o A277685 import unidecode %o A277685 def A277685(n): # output differs from sequence at n=14 due to multiple spellings. %o A277685 return ord(unidecode.unidecode(num2words(n, lang='pt')).lower()[0]) - 96 # _Chai Wah Wu_, Feb 27 2020 %Y A277685 Cf. A005606, A161377. %K A277685 word,nonn %O A277685 0,1 %A A277685 _João M. de Medeiros_, Oct 26 2016