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 A069864 #25 Oct 25 2024 02:24:03 %S A069864 6,9,5,2,1,1,8,9,9,3,5,6,4,4,1,3,8,2,0,7,5,2,9,9,8,8,0,3,2,9,1,5,3,2, %T A069864 7,3,7,4,9,6,3,9,1,0,1,0,3,4,7,1,3,1,4,9,6,7,8,5,5,8,0,2,5,0,0,5,2,0, %U A069864 1,3,9,8,9,0,0,5,4,1,5,8,5,7,7,6,8,9,1,7,2,5,2,4,2,1,9,8,5,6,1 %N A069864 Decimal expansion of 2/log(4/3). %C A069864 Constant arising in analysis of Kolakoski sequence A000002. %H A069864 Jeffrey C. Lagarias and K. Soundararajan, <a href="https://arxiv.org/abs/math/0509175">Benford's law for the 3x+1 function</a>, arXiv:math/0509175 [math.NT], 2005-2006. %H A069864 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %e A069864 6.95211899356441... %t A069864 RealDigits[N[2 / Log[4 / 3], 150]][[1]] (* _Vincenzo Librandi_, May 16 2019 *) %o A069864 (PARI) 2/log(4/3) \\ _Charles R Greathouse IV_, May 15 2019 %o A069864 (Magma) SetDefaultRealField(RealField(100)); 2 / Log(4 / 3); // _Vincenzo Librandi_, May 16 2019 %Y A069864 Cf. A000002, A083679 (log(4/3)). %K A069864 nonn,cons %O A069864 1,1 %A A069864 _N. J. A. Sloane_, Jun 24 2002 %E A069864 a(99) corrected by _Georg Fischer_, Apr 03 2020