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 A216199 #12 Mar 13 2013 11:02:56 %S A216199 3,3,5,3,4,5,4,3,5,4,6,5,6,4,5,3,4,5,6,4,6,6,6,5,6,6,6,4,6,5,4,3,5,4, %T A216199 6,5,6,6,6,4,6,6,8,6,7,6,6,5,6,6,7,6,8,6,6,4,6,6,6,5,6,4,5,3,4,5,6,4, %U A216199 6,6,6,5,6,6,7,6,8,6,6,4,6,6,8,6,7,8,7,6,8,7,8,6,7,6,6,5,6,6,7 %N A216199 Abelian complexity function of the ternary Thue-Morse word (A036577). %C A216199 abs(a(n) - (3/2)*(A007302(n) + 1)) <= 1/2. %H A216199 Nathan Fox, <a href="/A216199/a216199.py.txt">Python code to generate sequence</a> %Y A216199 Cf. A036577, A007302. %K A216199 nonn,easy %O A216199 1,1 %A A216199 _Nathan Fox_, Mar 12 2013