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A147710 Decimal expansion of tanh(EulerGamma) = 0.5206... 4

%I

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

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

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

%N Decimal expansion of tanh(EulerGamma) = 0.5206...

%C For cosh(EulerGamma) see A147708; for sinh(EulerGamma) see A147709; for coth(EulerGamma) see A147711.

%H G. C. Greubel, <a href="/A147710/b147710.txt">Table of n, a(n) for n = 0..10000</a>

%e Equals 0.52063877277941655882939459166902813428767319381048760826540...

%t First[RealDigits[N[(Exp[EulerGamma] - Exp[ -EulerGamma])/(Exp[EulerGamma] + Exp[ -EulerGamma]), 100]]]

%t RealDigits[Tanh[EulerGamma],10,120][[1]] (* _Harvey P. Dale_, Aug 10 2020 *)

%o (PARI) default(realprecision, 100); tanh(Euler) \\ _G. C. Greubel_, Aug 29 2018

%o (MAGMA) SetDefaultRealField(RealField(100)); R:= RealField(); Tanh(EulerGamma(R)); // _G. C. Greubel_, Aug 29 2018

%Y Cf. A001620, A098907, A147709, A147711.

%K cons,nonn,changed

%O 0,1

%A _Artur Jasinski_, Nov 11 2008

%E Removed leading zero and adjusted offset by _R. J. Mathar_, Feb 05 2009

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Last modified August 15 13:27 EDT 2020. Contains 336504 sequences. (Running on oeis4.)