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 A036582 #11 Jul 08 2025 21:45:52 %S A036582 2,3,1,2,1,3,2,3,1,3,2,1,2,3,1,2,1,3,2,1,2,3,1,3,2,3,1,2,1,3,2,3,1,3, %T A036582 2,1,2,3,1,3,2,3,1,2,1,3,2,1,2,3,1,2,1,3,2,3,1,3,2,1,2,3,1,2,1,3,2,1, %U A036582 2,3,1,3,2,3,1,2,1,3,2,1,2,3,1,2,1,3,2,3,1,3,2,1,2,3,1,3,2,3,1 %N A036582 Ternary Thue-Morse sequence: closed under a->abc, b->ac, c->b. %C A036582 Is this A005680 shifted one place left? [From _R. J. Mathar_, Oct 20 2008] %C A036582 Agrees with A005680 shifted one place left for at least n <= 1000000. - _Sean A. Irvine_, Nov 08 2020 %D A036582 M. Lothaire, Combinatorics on Words. Addison-Wesley, Reading, MA, 1983, p. 26. %Y A036582 Equals A036579(n)+1. %K A036582 nonn %O A036582 0,1 %A A036582 _N. J. A. Sloane_