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 A026605 #12 Jun 01 2025 22:25:34 %S A026605 1,2,2,1,1,2,2,1,1,2,1,2,1,2,1,2,2,1,2,1,1,2,1,2,1,2,1,2,2,1,1,2,2,1, %T A026605 1,2,1,2,1,2,2,1,1,2,2,1,1,2,2,1,1,2,1,2,2,1,1,2,1,2,1,2,1,2,2,1,1,2, %U A026605 2,1,1,2,1,2,1,2,2,1,1,2,2,1,1,2,2,1,1,2,1,2 %N A026605 [3->null]-transform of three-symbol Thue-Morse A026600. %C A026605 Old name was: a(n) = n-th term of A026600 that is not a 3. %C A026605 This sequence equals the standard form of A057215, i.e., a(n) = A057215(n)+ 1 for all n. This follows by noting that this sequence equals the [123->12, 231->21, 312->12]-transform of three-symbol Thue-Morse A026600. - _Michel Dekking_, Apr 18 2019 %K A026605 nonn %O A026605 1,2 %A A026605 _Clark Kimberling_ %E A026605 Name changed by _Michel Dekking_, Apr 18 2019.