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 A153454 #9 Aug 17 2023 16:36:41 %S A153454 5,3,7,2,4,3,5,7,3,6,8,0,4,8,1,6,5,1,4,7,2,6,0,4,5,9,7,8,0,4,7,1,9,0, %T A153454 0,8,2,1,8,0,6,8,9,8,5,2,5,2,8,6,8,2,7,6,3,2,0,7,6,4,4,1,1,7,7,2,9,5, %U A153454 0,8,9,1,9,3,9,6,8,3,2,3,0,5,7,2,0,6,8,8,3,1,9,1,0,4,9,2,1,4,8 %N A153454 Decimal expansion of log_20 (5). %H A153454 Vincenzo Librandi, <a href="/A153454/b153454.txt">Table of n, a(n) for n = 0..1000</a> %H A153454 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153454 .53724357368048165147260459780471900821806898525286827632076... %t A153454 RealDigits[Log[20, 5], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 05 2013 *) %Y A153454 Cf. decimal expansion of log_20(m): A152821 (m=2), A153035 (m=3), A153124 (m=4), this sequence, A153610 (m=6), A153630 (m=7), A153872 (m=8), 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 A153454 nonn,cons %O A153454 0,1 %A A153454 _N. J. A. Sloane_, Oct 30 2009