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 A008962 #15 Jan 26 2023 11:29:13 %S A008962 4,5,3,4,6,4,5,6,5,8,8,10,9,10,11,10,10,12,11,14,11,16,14,15,17,15,16, %T A008962 17,16,19,11,16,14,15,17,15,16,17,16,19,12,17,15,16,18,16,17,18,17,20, %U A008962 12,17,15,16,18,16,17,18,17,20,13,18,16,17,19,17,18,19,18,21 %N A008962 Number of letters in n (in Polish), excluding spaces and hyphens. %H A008962 <a href="/index/Lc#letters">Index entries for sequences related to number of letters in n</a> %K A008962 word,nonn %O A008962 0,1 %A A008962 Waldemar Pompe (pompe(AT)zodiac1.mimuw.edu.pl) %E A008962 Offset changed and initial term added by _Arkadiusz Wesolowski_, Apr 19 2012