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%I #14 Aug 14 2023 11:00:43
%S 1,8,6,1,3,5,3,1,1,6,1,4,6,7,8,6,1,0,1,3,4,0,2,1,3,1,3,7,5,2,7,9,3,1,
%T 2,6,4,1,3,9,5,8,3,8,6,4,1,5,9,5,2,0,8,9,8,6,4,3,9,5,2,0,7,5,9,2,1,3,
%U 2,4,1,6,5,0,7,5,7,7,1,0,1,2,1,6,7,3,9
%N Decimal expansion of log_5 (20).
%H Vincenzo Librandi, <a href="/A155184/b155184.txt">Table of n, a(n) for n = 1..1000</a>
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F Equals 1+A153101. - _R. J. Mathar_, May 25 2023
%e 1.8613531161467861013402131375279312641395838641595208986439...
%t RealDigits[Log[5, 20], 10, 100][[1]] (* _Vincenzo Librandi_, Aug 30 2013 *)
%o (PARI) log(20)/log(5) \\ _Charles R Greathouse IV_, Aug 28 2017
%Y 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), A154564 (m=15), A154759 (m=16), A154850 (m=17), A154910 (m=18), A155035 (m=19), this sequence, A155553 (m=21), A155696 (m=22), A155821 (m=23), A155958 (m=24).
%K nonn,cons
%O 1,2
%A _N. J. A. Sloane_, Oct 30 2009
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