This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A147709 #22 Sep 08 2022 08:45:38 %S A147709 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 A147709 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 A147709 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 A147709 Decimal expansion of sinh(EulerGamma). %H A147709 G. C. Greubel, <a href="/A147709/b147709.txt">Table of n, a(n) for n = 0..10000</a> %e A147709 Equals 0.6098064672116564077061804441581493812019674136891385186017534... %t A147709 First[RealDigits[N[(Exp[EulerGamma] - Exp[ -EulerGamma])/2, 100]]] %t A147709 RealDigits[Sinh[EulerGamma],10,120][[1]] (* _Harvey P. Dale_, Mar 06 2013 *) %o A147709 (PARI) default(realprecision, 100); (exp(Euler) - exp(-Euler))/2 \\ _G. C. Greubel_, Aug 29 2018 %o A147709 (Magma) SetDefaultRealField(RealField(100)); R:= RealField(); (Exp(EulerGamma(R)) - Exp(-EulerGamma(R)))/2; // _G. C. Greubel_, Aug 29 2018 %Y A147709 Cf. A001620, A098907. %Y A147709 Cf. A147708 (with cosh), A147710 (with tanh), A147711 (with coth). %K A147709 cons,nonn %O A147709 0,1 %A A147709 _Artur Jasinski_, Nov 11 2008 %E A147709 Leading zero removed, offset adjusted by _R. J. Mathar_, Feb 05 2009 %E A147709 Corrected by _Harvey P. Dale_, Mar 06 2013