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A016587 Decimal expansion of log(21/2). 2

%I

%S 2,3,5,1,3,7,5,2,5,7,1,6,3,4,7,7,6,8,7,0,8,3,3,6,5,8,5,8,9,0,7,5,2,8,

%T 8,6,6,2,0,9,0,7,5,1,5,3,0,4,4,3,5,5,3,8,6,0,7,3,4,0,4,4,7,4,0,8,1,6,

%U 8,0,5,3,4,0,0,0,9,8,3,5,1,9,0,5,5,4,1,0,9,2,6,4,0,5,1,8,4,9,2

%N Decimal expansion of log(21/2).

%H Harry J. Smith, <a href="/A016587/b016587.txt">Table of n, a(n) for n = 1..20000</a>

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>

%F Equals A016644 - A002162. - _Michel Marcus_, Apr 07 2020

%e 2.351375257163477687083365858907528866209075153044355386073404474081680...

%t RealDigits[Log[21/2], 10, 120][[1]] (* _Vincenzo Librandi_, Apr 07 2020 *)

%o (PARI) default(realprecision, 20080); x=log(21/2); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016587.txt", n, " ", d)); \\ _Harry J. Smith_, May 26 2009

%o (MAGMA) SetDefaultRealField(RealField(100)); Log(21/2); // _Vincenzo Librandi_, Apr 07 2020

%Y Cf. A016538 (continued fraction).

%Y Cf. A002162 (log(2)), A016644 (log(21)).

%K nonn,cons

%O 1,1

%A _N. J. A. Sloane_

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Last modified July 23 11:52 EDT 2021. Contains 346259 sequences. (Running on oeis4.)