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 A153895 #9 Aug 14 2023 11:04:23 %S A153895 6,8,3,0,1,0,7,4,6,0,9,0,8,5,8,9,9,3,9,4,6,2,2,7,9,1,6,3,0,2,6,7,2,9, %T A153895 8,6,9,2,3,1,9,6,7,7,3,7,2,3,9,6,9,8,8,8,5,0,1,2,2,4,8,7,0,1,4,6,8,2, %U A153895 6,0,5,2,7,7,0,5,6,4,3,0,2,7,4,8,6,5,3,4,4,4,5,8,0,2,0,2,2,6,6 %N A153895 Decimal expansion of log_21 (8). %H A153895 Vincenzo Librandi, <a href="/A153895/b153895.txt">Table of n, a(n) for n = 0..1000</a> %H A153895 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153895 .68301074609085899394622791630267298692319677372396988850122... %t A153895 RealDigits[Log[21, 8], 10, 100][[1]] (* _Vincenzo Librandi_, Sep 06 2013 *) %Y A153895 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), this sequence, A154020 (m=9), A154171 (m=10), A154192 (m=11), A154213 (m=12), A154434 (m=13), A154499 (m=14), A154707 (m=15), 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 A153895 nonn,cons %O A153895 0,1 %A A153895 _N. J. A. Sloane_, Oct 30 2009