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 A155909 #11 Aug 14 2023 11:04:36 %S A155909 1,0,2,9,8,8,0,4,7,5,5,3,1,5,7,5,2,8,9,6,0,5,9,9,9,9,8,9,2,6,3,5,6,3, %T A155909 1,2,6,0,6,5,8,0,6,4,9,0,7,9,8,2,7,7,5,0,3,2,3,4,7,3,4,6,9,6,8,9,6,8, %U A155909 2,5,9,9,4,7,8,2,4,1,8,2,0,2,6,7,4,3,3,2,2,4,4,2,3,9,8,1,4,6,0 %N A155909 Decimal expansion of log_21 (23). %H A155909 Vincenzo Librandi, <a href="/A155909/b155909.txt">Table of n, a(n) for n = 1..1000</a> %H A155909 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A155909 1.0298804755315752896059999892635631260658064907982775032347... %t A155909 RealDigits[Log[21, 23], 10, 120][[1]] (* _Harvey P. Dale_, Dec 23 2012 *) %Y A155909 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), A153895 (m=8), 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), this sequence, A156028 (m=24). %Y A155909 Inverse of A155691. %K A155909 nonn,cons %O A155909 1,3 %A A155909 _N. J. A. Sloane_, Oct 30 2009