%I #15 Jul 19 2023 01:26:05
%S 5,7,7,2,1,7,3,4,5,0,1,5,9,4,1,8,6,0,8,7,9,6,4,6,7,8,3,2,5,9,6,7,5,2,
%T 4,7,6,2,9,6,7,2,4,7,1,0,9,6,0,5,4,2,9,1,2,4,4,6,1,7,7,5,3,1,7,3,2,0,
%U 5,5,5,3
%N Decimal expansion of (10^(1/3)-1)/2, an approximation to the Euler-Mascheroni constant.
%C The relative error of this approximation is about 2.91e-6.
%D R. Faure, A. Kaufmann and M. Denis-Papin, Manuale di Matematica, ISEDI, 1971, page 831. Translated from French and edited by M. G. Cossarini.
%H Stanislav Sykora, <a href="/A242220/b242220.txt">Table of n, a(n) for n = 0..2000</a>
%e 0.57721734501594186087964678325967524762967247109605429124461775...
%t RealDigits[(10^(1/3) - 1)/2, 10, 100][[1]] (* _G. C. Greubel_, Sep 04 2018 *)
%o (PARI) (sqrtn(10,3)-1)/2
%o (Magma) SetDefaultRealField(RealField(100)); (10^(1/3)-1)/2; // _G. C. Greubel_, Sep 04 2018
%Y Cf. A001620.
%K nonn,cons
%O 0,1
%A _Stanislav Sykora_, May 07 2014