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 A132984 #16 Jun 08 2022 23:19:19 %S A132984 4,3,4,8,7,3,6,4,5,5,7,8,8,13,9,7,11,12,11,7,11,10,11,15,14,10,13,13, %T A132984 12,8,12,11,12,16,15,11,14,16,15,11,15,14,15,19,18,14,17,17,16,12,16, %U A132984 15,16,20,19,15,18,14,13,9,13,12,13,17,16,12,15,16,15,11,15,14,15,19,18,14,17,14,13,9,13,12,13,17,16,12,15,14,13,9,13,12,13,17,16,12,15,11,10,6 %N A132984 Number of letters in n (in Latin). %C A132984 Does not count spaces as letters. %C A132984 Wheelock (see the Pavur link): "Note that the declinable forms are not indicated here (e.g. words ending with unus, duo, tres and the designations for two to nine hundred, like ducenti, trecenti, etc.). Also, some alternate forms do not appear (e.g. undecentum for ninety-nine)." %H A132984 Jessie Gietl, <a href="http://web.archive.org/web/20130412204242/http://www.jessiegietl.com/Latinnum.html">Brush up on your Latin</a> %H A132984 Claude Pavur, <a href="http://www.slu.edu/colleges/AS/languages/classical/latin/tchmat/grammar/whprax/w15npa.html">Latin Number Practice, From Latin Names</a>, Latin Teaching Materials at Saint Louis University, 2006. %H A132984 Transparent Language, <a href="https://blogs.transparent.com/latin/latin-numbers-1-100/">Latin Numbers 1-100</a> %H A132984 <a href="/index/Lc#letters">Index entries for sequences related to number of letters in n</a> %e A132984 Latin words for the numbers are: unus, duo, tres, quattuor, quinque, sex, septem, octo, novem, decem, undecim, duodecim, tredecim, quattuordecim, quindecim, sedecim, septendecim, duodeviginti, undeviginti, viginti, viginti unus, viginti duo, viginti tres, viginti quattuor, viginti quinque, viginti sex, viginti septem, duodetriginta, undetriginta, triginta, triginta unus, triginta duo, triginta tres, triginta quattuor, triginta quinque, triginta sex, triginta septem, duodequadraginta, undequadraginta, quadraginta, quadraginta unus, quadraginta duo, quadraginta tres, quadraginta quattuor, quadraginta quinque, quadraginta sex, quadraginta septem, duodequinquaginta, undequinquaginta, quinquaginta, ... %Y A132984 Cf. A005589. See the Index to the OEIS under "letters in n" for other languages. %K A132984 nonn,word,easy %O A132984 1,1 %A A132984 _N. J. A. Sloane_, Nov 20 2007 %E A132984 Edited, corrected and extended by _Jonathan Vos Post_, Nov 21 2007 %E A132984 a(48) inserted and a(51)..a(100) from _Michael S. Branicky_, Jun 08 2022