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 A155531 #10 Aug 21 2023 10:05:45 %S A155531 1,0,1,7,4,2,0,3,9,6,4,6,6,1,7,8,9,2,2,5,0,9,3,7,5,4,9,0,9,5,2,3,5,1, %T A155531 1,6,1,8,7,9,2,5,0,8,0,5,8,4,8,6,8,9,1,5,2,4,7,3,6,8,3,2,1,7,8,4,2,3, %U A155531 2,2,9,9,9,0,8,2,0,7,8,8,2,5,1,1,9,9,4,4,3,9,3,3,3,8,6,4,4,9,7 %N A155531 Decimal expansion of log_19 (20). %H A155531 Vincenzo Librandi, <a href="/A155531/b155531.txt">Table of n, a(n) for n = 1..1000</a> %H A155531 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A155531 1.0174203964661789225093754909523511618792508058486891524736... %t A155531 RealDigits[Log[19, 20], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 05 2013 *) %Y A155531 Cf. decimal expansion of log_19(m): A152814 (m=2), A153027 (m=3), A153117 (m=4), A153451 (m=5), A153609 (m=6), A153629 (m=7), A153871 (m=8), A154018 (m=9), A154169 (m=10), A154190 (m=11), A154211 (m=12), A154401 (m=13), A154491 (m=14), A154697 (m=15), A154837 (m=16), A154899 (m=17), A154975 (m=18), this sequence, A155686 (m=21), A155787 (m=22), A155906 (m=23), A156000 (m=24). %K A155531 nonn,cons %O A155531 1,4 %A A155531 _N. J. A. Sloane_, Oct 30 2009