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 A154707 #9 Aug 14 2023 11:05:45 %S A154707 8,8,9,4,8,2,7,5,3,5,3,3,9,7,8,2,3,7,8,8,1,1,3,9,0,4,9,5,6,3,4,2,5,1, %T A154707 7,4,1,0,3,3,5,1,6,1,1,0,8,5,4,5,8,0,3,4,1,1,8,7,6,3,7,9,8,1,3,1,9,0, %U A154707 8,2,3,3,2,8,3,3,9,8,5,0,4,5,8,7,3,7,3,4,8,7,7,6,8,4,5,7,2,4,9 %N A154707 Decimal expansion of log_21 (15). %H A154707 Vincenzo Librandi, <a href="/A154707/b154707.txt">Table of n, a(n) for n = 0..1000</a> %H A154707 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A154707 .88948275353397823788113904956342517410335161108545803411876... %t A154707 RealDigits[Log[21, 15], 10, 120][[1]] (* _Harvey P. Dale_, Apr 29 2013 *) %Y A154707 Cf. decimal expansion of log_21(m): A152825 (m=2), A153097 (m=3), 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), this sequence, 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 A154707 nonn,cons %O A154707 0,1 %A A154707 _N. J. A. Sloane_, Oct 30 2009