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 A154564 #16 Jul 29 2024 12:13:11 %S A154564 1,6,8,2,6,0,6,1,9,4,4,8,5,9,8,5,2,9,5,1,3,4,5,6,6,3,5,9,2,7,1,0,5,2, %T A154564 2,5,3,0,2,4,6,6,9,3,9,9,8,7,3,1,6,7,2,0,9,6,6,0,0,5,6,6,9,1,4,9,3,7, %U A154564 4,6,1,6,2,9,2,6,9,1,3,2,7,7,3,3,6,9,5 %N A154564 Decimal expansion of log_5 (15). %H A154564 Vincenzo Librandi, <a href="/A154564/b154564.txt">Table of n, a(n) for n = 1..1000</a> %H A154564 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A154564 Equals 1+A152914. - _R. J. Mathar_, Jul 29 2024 %e A154564 1.6826061944859852951345663592710522530246693998731672096600... %t A154564 RealDigits[Log[5,15],10,120][[1]] (* _Harvey P. Dale_, Aug 14 2012 *) %o A154564 (PARI) log(15)/log(5) \\ _Charles R Greathouse IV_, May 15 2020 %Y A154564 Cf. decimal expansion of log_5(m): A152675 (m=2), A152914 (m=3), A153101 (m=4), A153461 (m=6), A153616 (m=7), A153739 (m=8), A154008 (m=9), A154156 (m=10), A154177 (m=11), A154198 (m=12), A154265 (m=13), A154465 (m=14), this sequence, A154759 (m=16), A154850 (m=17), A154910 (m=18), A155035 (m=19), A155184 (m=20), A155553 (m=21), A155696 (m=22), A155821 (m=23), A155958 (m=24). %K A154564 nonn,cons %O A154564 1,2 %A A154564 _N. J. A. Sloane_, Oct 30 2009