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 A131920 #25 Sep 07 2020 06:30:46 %S A131920 2,8,8,5,3,9,0,0,8,1,7,7,7,9,2,6,8,1,4,7,1,9,8,4,9,3,6,2,0,0,3,7,8,4, %T A131920 2,7,4,8,5,3,2,9,1,9,0,8,3,0,5,9,7,1,8,6,8,2,7,0,8,9,8,8,1,3,8,6,2,2, %U A131920 1,8,4,3,8,3,6,2,3,7,0,1,5,9,7,7,1,0,5,3,2,4,5,7,8,7,0,1,2,6,8,8,9,9,3,9,9 %N A131920 Decimal expansion of 2/log(2). %H A131920 Itai Benjamini, Ariel Yadin and Ofer Zeitouni, <a href="https://arxiv.org/abs/0707.3888">Maximal Arithmetic Progressions in Random Subsets</a>, arXiv:0707.3888 [math.PR], 2007-2012. %H A131920 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A131920 2/log(2) = 1/log(32) = 1/(5*log(2)). - _Alonso del Arte_, Feb 01 2015 %F A131920 2/log(2) = 1/arctanh(1/3). - _Luc Rousseau_, Sep 07 2020 %e A131920 2/log(2) = 2.885390081777926814719849362... %t A131920 RealDigits[2/Log[2], 10, 128][[1]] (* _Alonso del Arte_, Feb 01 2015 *) %o A131920 (PARI) 2/log(2) \\ _Charles R Greathouse IV_, Feb 02 2015 %Y A131920 Cf. A002162. %K A131920 cons,easy,nonn %O A131920 1,1 %A A131920 _Jonathan Vos Post_, Jul 28 2007