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 A318930 #5 Sep 11 2018 15:48:44 %S A318930 1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1, %T A318930 1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1, %U A318930 1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1 %N A318930 RUNS transform of A279620. %H A318930 Claude Lenormand, <a href="/A318921/a318921.pdf">Deux transformations sur les mots</a>, Preprint, 5 pages, Nov 17 2003. Apparently unpublished. This is a scanned copy of the version that the author sent to me in 2003. %Y A318930 Cf. A279620. %K A318930 nonn %O A318930 1,2 %A A318930 _N. J. A. Sloane_, Sep 09 2018