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A147710
Decimal expansion of tanh(EulerGamma).
4
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, 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, 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
OFFSET
0,1
LINKS
EXAMPLE
0.52063877277941655882939459166902813428767319381048760826540...
MATHEMATICA
First[RealDigits[N[(Exp[EulerGamma] - Exp[ -EulerGamma])/(Exp[EulerGamma] + Exp[ -EulerGamma]), 100]]]
RealDigits[Tanh[EulerGamma], 10, 120][[1]] (* Harvey P. Dale, Aug 10 2020 *)
PROG
(PARI) default(realprecision, 100); tanh(Euler) \\ G. C. Greubel, Aug 29 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); Tanh(EulerGamma(R)); // G. C. Greubel, Aug 29 2018
CROSSREFS
Cf. A147708 (with cosh), A147709 (with sinh), A147711 (with coth).
Sequence in context: A333419 A352454 A351445 * A153456 A021872 A213198
KEYWORD
cons,nonn
AUTHOR
Artur Jasinski, Nov 11 2008
EXTENSIONS
Leading zero removed and offset adjusted by R. J. Mathar, Feb 05 2009
STATUS
approved