A147709 - OEIS

%I #22 Sep 08 2022 08:45:38

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

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

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

%N Decimal expansion of sinh(EulerGamma).

%H G. C. Greubel, <a href="/A147709/b147709.txt">Table of n, a(n) for n = 0..10000</a>

%e Equals 0.6098064672116564077061804441581493812019674136891385186017534...

%t First[RealDigits[N[(Exp[EulerGamma] - Exp[ -EulerGamma])/2, 100]]]

%t RealDigits[Sinh[EulerGamma],10,120][[1]] (* _Harvey P. Dale_, Mar 06 2013 *)

%o (PARI) default(realprecision, 100); (exp(Euler) - exp(-Euler))/2 \\ _G. C. Greubel_, Aug 29 2018

%o (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); (Exp(EulerGamma(R)) - Exp(-EulerGamma(R)))/2; // _G. C. Greubel_, Aug 29 2018

%Y Cf. A001620, A098907.

%Y Cf. A147708 (with cosh), A147710 (with tanh), A147711 (with coth).

%K cons,nonn

%O 0,1

%A _Artur Jasinski_, Nov 11 2008

%E Leading zero removed, offset adjusted by _R. J. Mathar_, Feb 05 2009

%E Corrected by _Harvey P. Dale_, Mar 06 2013