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 A020862 #24 Aug 31 2024 12:36:54 %S A020862 3,3,2,1,9,2,8,0,9,4,8,8,7,3,6,2,3,4,7,8,7,0,3,1,9,4,2,9,4,8,9,3,9,0, %T A020862 1,7,5,8,6,4,8,3,1,3,9,3,0,2,4,5,8,0,6,1,2,0,5,4,7,5,6,3,9,5,8,1,5,9, %U A020862 3,4,7,7,6,6,0,8,6,2,5,2,1,5,8,5,0,1,3,9,7,4,3,3,5,9,3,7,0,1,5 %N A020862 Decimal expansion of log_2(10). %D A020862 David Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, Revised edition 1987. See p. 55. %H A020862 Vincenzo Librandi, <a href="/A020862/b020862.txt">Table of n, a(n) for n = 1..1000</a> %H A020862 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A020862 Equals 1+A020858. - _R. J. Mathar_, Oct 25 2008 %t A020862 RealDigits[Log[2, 10], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 29 2013 *) %o A020862 (PARI) log(10)/log(2) \\ _Charles R Greathouse IV_, Aug 06 2020 %Y A020862 Cf. decimal expansion of log_2(m): A020857 (m=3), A020858 (m=5), A020859 (m=6), A020860 (m=7), A020861 (m=9), this sequence, A020863 (m=11), A020864 (m=12), A152590 (m=13), A154462 (m=14), A154540 (m=15), A154847 (m=17), A154905 (m=18), A154995 (m=19), A155172 (m=20), A155536 (m=21), A155693 (m=22), A155793 (m=23), A155921 (m=24). %K A020862 nonn,cons %O A020862 1,1 %A A020862 _N. J. A. Sloane_ %E A020862 Definition improved by _J. Lowell_, May 03 2014