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 A153021 #9 Aug 21 2023 09:46:18 %S A153021 3,8,0,0,9,3,7,6,6,7,1,5,9,3,4,2,7,7,6,3,2,1,5,7,9,1,7,5,4,4,7,3,8,4, %T A153021 6,9,1,1,5,9,1,1,0,3,4,9,9,0,4,6,4,7,1,7,0,1,0,6,7,7,5,4,9,6,4,2,5,4, %U A153021 3,5,4,7,1,2,8,4,0,5,2,2,7,5,7,4,6,7,2,1,7,9,2,5,9,9,2,9,4,3,7 %N A153021 Decimal expansion of log_18 (3). %H A153021 Vincenzo Librandi, <a href="/A153021/b153021.txt">Table of n, a(n) for n = 0..1000</a> %H A153021 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153021 .38009376671593427763215791754473846911591103499046471701067... %t A153021 RealDigits[Log[18, 3], 10, 120][[1]] (* _Harvey P. Dale_, Feb 19 2013 *) %Y A153021 Cf. decimal expansion of log_18(m): A152812 (m=2), this sequence, A153113 (m=4), A153444 (m=5), A153608 (m=6), A153628 (m=7), A153870 (m=8), A154017 (m=9), A154168 (m=10), A154189 (m=11), A154210 (m=12), A154400 (m=13), A154490 (m=14), A154688 (m=15), A154830 (m=16), A154898 (m=17), A155094 (m=19), A155530 (m=20), A155685 (m=21), A155784 (m=22), A155889 (m=23), A155995 (m=24). %K A153021 nonn,cons %O A153021 0,1 %A A153021 _N. J. A. Sloane_, Oct 30 2009