A147710 Decimal expansion of tanh(EulerGamma).

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

Author

Artur Jasinski, Nov 11 2008

Keywords

• cons
• nonn

Examples

			0.52063877277941655882939459166902813428767319381048760826540...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A001620, A098907.

Cf. A147708 (with cosh), A147709 (with sinh), A147711 (with coth).

Programs

Magma

SetDefaultRealField(RealField(100)); R:= RealField(); Tanh(EulerGamma(R)); // G. C. Greubel, Aug 29 2018

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 *)

PARI

default(realprecision, 100); tanh(Euler) \\ G. C. Greubel, Aug 29 2018

Extensions

Leading zero removed and offset adjusted by R. J. Mathar, Feb 05 2009