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 A155685 #12 Aug 21 2023 09:47:51 %S A155685 1,0,5,3,3,3,2,4,7,5,1,0,6,7,5,2,7,2,0,4,4,3,9,6,6,1,6,5,5,8,9,1,7,2, %T A155685 3,2,0,1,6,1,7,6,9,4,3,7,7,6,2,6,2,3,2,4,2,0,1,9,4,5,9,8,0,5,7,5,3,1, %U A155685 7,0,1,2,3,9,4,5,8,5,5,4,3,0,6,8,9,2,5,9,4,7,5,0,2,0,4,6,8,7,0 %N A155685 Decimal expansion of log_18 (21). %H A155685 Vincenzo Librandi, <a href="/A155685/b155685.txt">Table of n, a(n) for n = 1..1000</a> %H A155685 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A155685 1.0533324751067527204439661655891723201617694377626232420194... %t A155685 RealDigits[Log[18, 21], 10, 120][[1]] (* _Harvey P. Dale_, May 28 2012 *) %Y A155685 Cf. decimal expansion of log_18(m): A152812 (m=2), A153021 (m=3), 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), this sequence, A155784 (m=22), A155889 (m=23), A155995 (m=24). %K A155685 nonn,cons %O A155685 1,3 %A A155685 _N. J. A. Sloane_, Oct 30 2009