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 A001050 #34 Jul 06 2020 22:59:56 %S A001050 5,4,5,5,5,5,5,9,9,8,8,10,11,11,11,11,11,15,15,14,13,17,18,18,18,18, %T A001050 18,22,22,21,13,17,18,18,18,18,18,22,22,21,13,17,18,18,18,18,18,22,22, %U A001050 21,13,17,18,18,18,18,18,22,22,21,13,17,18,18,18,18,18 %N A001050 Number of letters in n (in Finnish). %D A001050 A. Flint, Say It In Finnish, Dover, NY, 1983. %H A001050 Olli Wilkman, <a href="/A001050/b001050.txt">Table of n, a(n) for n = 0..20000</a> (corrected by Sean A. Irvine) %H A001050 R. K. Guy, <a href="/A002186/a002186.pdf">Letters to N. J. A. Sloane, June-August 1968</a> %H A001050 Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a001/A001050.java">Java program</a> (github) %H A001050 Olli Wilkman, <a href="/A001050/a001050_1.txt">Python3 program for generating terms up to 10^12 - 1</a> %H A001050 <a href="/index/Lc#letters">Index entries for sequences related to number of letters in n</a> %e A001050 Nolla, yksi, kaksi, kolme, neljä, ... %K A001050 nonn,word %O A001050 0,1 %A A001050 Mikko-Juhani Kallio (mkallio(AT)snakemail.hut.fi)