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 A153872 #7 Aug 17 2023 16:36:12 %S A153872 6,9,4,1,3,4,6,3,9,4,7,9,2,7,7,5,2,2,7,9,1,0,9,3,1,0,3,2,9,2,9,2,1,4, %T A153872 8,7,6,7,2,8,9,6,5,2,2,1,2,0,6,9,7,5,8,5,5,1,8,8,5,3,3,8,2,3,4,0,5,7, %U A153872 3,6,6,2,0,9,0,4,7,5,1,5,4,1,4,1,8,9,6,7,5,2,1,3,4,2,6,1,7,7,7 %N A153872 Decimal expansion of log_20 (8). %H A153872 Vincenzo Librandi, <a href="/A153872/b153872.txt">Table of n, a(n) for n = 0..1000</a> %H A153872 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153872 .69413463947927752279109310329292148767289652212069758551885... %t A153872 RealDigits[Log[20, 8], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 05 2013 *) %Y A153872 Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), A153454 (m=5), A153610 (m=6), A153630 (m=7), this sequence, A154019 (m=9), A154170 (m=10), A154191 (m=11), A154212 (m=12), A154433 (m=13), A154492 (m=14), A154705 (m=15), A154838 (m=16), A154900 (m=17), A154976 (m=18), A155115 (m=19), A155687 (m=21), A155789 (m=22), A155907 (m=23), A156015 (m=24). %K A153872 nonn,cons %O A153872 0,1 %A A153872 _N. J. A. Sloane_, Oct 30 2009