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 A239110 #35 Sep 05 2024 15:44:47 %S A239110 0,2,2,1,1,1,2,0,2,0,2,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,2,0,2,0,2,0,2,0, %T A239110 2,0,2,0,2,0,2,0,2,0,2,0,2,0,2,0,2,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, %U A239110 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 %N A239110 Generalized ternary Thue-Morse sequence arising from junction numbers problem in base 4. %C A239110 For details (including an explicit formula) see our paper. %H A239110 Max A. Alekseyev, <a href="/A239110/b239110.txt">Table of n, a(n) for n = 0..999</a> %H A239110 Max A. Alekseyev and N. J. A. Sloane, <a href="https://arxiv.org/abs/2112.14365">On Kaprekar's Junction Numbers</a>, arXiv:2112.14365, 2021; Journal of Combinatorics and Number Theory 12:3 (2022), 115-155. %Y A239110 Cf. A010060, A239896. %K A239110 nonn %O A239110 0,2 %A A239110 _Max Alekseyev_ and _N. J. A. Sloane_, Mar 27 2014