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 A153097 #8 Aug 14 2023 11:04:34 %S A153097 3,6,0,8,4,8,8,0,6,7,1,4,5,3,0,1,7,3,2,4,5,0,8,3,7,9,6,5,0,4,3,0,5,2, %T A153097 6,0,0,6,4,3,8,6,4,7,9,7,4,8,7,5,7,6,4,7,6,5,9,5,8,8,1,3,7,0,6,1,4,6, %U A153097 9,9,4,8,1,8,1,2,7,5,9,7,8,9,0,0,3,9,3,0,8,8,8,6,7,0,9,3,2,5,1 %N A153097 Decimal expansion of log_21 (3). %H A153097 Vincenzo Librandi, <a href="/A153097/b153097.txt">Table of n, a(n) for n = 0..1000</a> %H A153097 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153097 .36084880671453017324508379650430526006438647974875764765958... %t A153097 RealDigits[Log[21, 3], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 06 2013 *) %Y A153097 Cf. decimal expansion of log_21(m): A152825 (m=2), this sequence, A153131 (m=4), A153455 (m=5), A153611 (m=6), A153632 (m=7), A153895 (m=8), A154020 (m=9), A154171 (m=10), A154192 (m=11), A154213 (m=12), A154434 (m=13), A154499 (m=14), A154707 (m=15), A154839 (m=16), A154901 (m=17), A154977 (m=18), A155129 (m=19), A155532 (m=20), A155790 (m=22), A155909 (m=23), A156028 (m=24). %K A153097 nonn,cons %O A153097 0,1 %A A153097 _N. J. A. Sloane_, Oct 30 2009