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 A003270 M0407 #28 Oct 22 2023 00:19:20 %S A003270 1,2,3,1,3,2,3,1,2,3,2,1,3,1,2,1,3,2,3,1,2,3,2,1,2,3,1,2,1,3,2,3,1,3, %T A003270 2,1,3,1,2,3,2,1,2,3,1,3,2,1,3,1,2,1,3,2,3,1,2,3,2,1,2,3,1,2,1,3,2,3,1 %N A003270 A nonrepetitive sequence. %C A003270 Probably the same as A099054. - _R. J. Mathar_, Jun 06 2014 %D A003270 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A003270 A. M. Yaglom and I. M. Yaglom, Challenging Mathematical Problems with Elementary Solutions. Vols. 1-2, Holden-Day, San Francisco, 1964-1967, vol. 2, p. 204. %H A003270 Françoise Dejean, <a href="http://dx.doi.org/10.1016/0097-3165(72)90011-8">Sur un Théorème de Thue</a>, J. Combinatorial Theory, vol. 13 A, iss. 1 (1972) 90-99. %H A003270 N. J. A. Sloane, P. Flor, L. F. Meyers, G. A. Hedlund, M. Gardner, <a href="/A001285/a001285.pdf">Collection of documents and notes related to A001285, A003270, A003324</a>. %Y A003270 Cf. A099054. %K A003270 nonn %O A003270 1,2 %A A003270 _N. J. A. Sloane_