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 A234322 #20 Nov 22 2017 01:21:56 %S A234322 100,50,33,50,60,50,57,50,44,50,45,42,46,50,47,50,53,50,47,50,48,50, %T A234322 52,50,52,50,48,50,52,50,52,53,52,53,51,50,51,50,49,50,51,50,51,50,49, %U A234322 50,49,50,51,50,51,52,51,50,51,50,49,50,51,50,51,50,49,50,49,48,49,50,49,50,51,50 %N A234322 Percentage of 1's among the first n terms of the Kolakoski sequence A000002. %C A234322 Percentage of 1's (rounded) among the first n terms of A000002. %C A234322 See A000002 for additional comments, references, links, formulas, examples, programs, and crossrefs. %C A234322 It is conjectured that a(n) = 50 for all n sufficiently large. %C A234322 Among the first 1500000 terms of the sequence, a(n) = 51 appears last at a(295) and a(n) = 49 appears last at a(471). - _Paolo Bonzini_, Jul 06 2016 %H A234322 Paolo Bonzini, <a href="/A234322/b234322.txt">Table of n, a(n) for n = 1..500</a> %H A234322 W. Kolakoski and N. Ucoluk, <a href="http://www.jstor.org/stable/2314839">Problem 5304: Self Generating Runs</a>, Amer. Math. Monthly, 72 (1965), 674; 73 (1966), 681-682. %H A234322 J. Malkevitch, <a href="http://www.ams.org/samplings/feature-column/fc-2014-01">Periods</a>, AMS Feature Column, Jan 2014. %H A234322 R. Oldenburger, <a href="http://dx.doi.org/10.1090/S0002-9947-1939-0000352-9">Exponent trajectories in symbolic dynamics</a>, Trans. Amer. Math. Soc., 46 (1939), 453-466. %F A234322 a(n) = nearest integer to 100*A156077(n)/n. %e A234322 There are five 1's among the first twelve terms of A000002 = 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, ..., so a(12) = nearest integer to 100*5/12 = 41.666... rounded = 42. %Y A234322 Cf. A000002, A156077. %K A234322 nonn %O A234322 1,1 %A A234322 _Jonathan Sondow_, Jan 03 2014