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 A153632 #9 Aug 14 2023 11:04:28 %S A153632 6,3,9,1,5,1,1,9,3,2,8,5,4,6,9,8,2,6,7,5,4,9,1,6,2,0,3,4,9,5,6,9,4,7, %T A153632 3,9,9,3,5,6,1,3,5,2,0,2,5,1,2,4,2,3,5,2,3,4,0,4,1,1,8,6,2,9,3,8,5,3, %U A153632 0,0,5,1,8,1,8,7,2,4,0,2,1,0,9,9,6,0,6,9,1,1,1,3,2,9,0,6,7,4,8 %N A153632 Decimal expansion of log_21 (7). %H A153632 Vincenzo Librandi, <a href="/A153632/b153632.txt">Table of n, a(n) for n = 0..1000</a> %H A153632 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A153632 .63915119328546982675491620349569473993561352025124235234041... %t A153632 RealDigits[Log[21, 7], 10, 120][[1]] (* _Harvey P. Dale_, Aug 29 2012 *) %Y A153632 Cf. decimal expansion of log_21(m): A152825 (m=2), A153097 (m=3), A153131 (m=4), A153455 (m=5), A153611 (m=6), this sequence, 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), A155909 (m=23), A156028 (m=24). %K A153632 nonn,cons %O A153632 0,1 %A A153632 _N. J. A. Sloane_, Oct 30 2009