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 A275885 #13 Aug 23 2016 09:10:48 %S A275885 2,2,1,1,2,2,1,1,1,1,1,2,2,1,1,2,1,1,1,1,1,2,1,2,2,1,1,2,1,1,1,1,2,1, %T A275885 1,2,2,1,1,2,1,2,1,1,1,1,1,1,2,2,2,2,2,2,1,2,1,2,2,1,1,2,2,2,1,1,1,2, %U A275885 1,1,1,1,2,1,2,1,1,2,2,1,2,1,1,2,1,2,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2 %N A275885 Lengths of runs of successive terms in A199134. %C A275885 Weak conjecture: all terms are 1, 2 or 3. The first 3 appears at n = 1390. There is no 4 in the first 14000 terms. Does a 4 ever appear? %H A275885 N. J. A. Sloane, <a href="/A275885/b275885.txt">Table of n, a(n) for n = 1..14000</a> %Y A275885 Cf. A065188, A199134, A275884, A275886, A275888. %K A275885 nonn %O A275885 1,1 %A A275885 _N. J. A. Sloane_, Aug 18 2016