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%I #21 Apr 17 2018 09:41:15
%S 6,0,5,4,4,3,6,5,7,1,9,6,7,3,2,7,4,9,4,7,8,9,2,2,8,4,2,4,4,7,2,0,7,4,
%T 7,5,2,2,0,8,9,9,4,9,6,9,5,6,3,2,2,6,1,7,8,7,7,5,5,2,8,7,7,4,5,1,8,2,
%U 8,9,9,8,3,5,1,6,7,6,3,5,6,7,5,7,0,4,7,2,9,2,1,3,8,3,4,2,7,0,4,1,5,2,3,6,4
%N Decimal expansion of QRS constant.
%H G. C. Greubel, <a href="/A131329/b131329.txt">Table of n, a(n) for n = 0..10000</a>
%H D. H. Bailey and J. M. Borwein, <a href="https://doi.org/10.1007/978-3-319-21473-3_3">Experimental computation as an ontological game changer: The impact of modern mathematical computation tools on the ontology of mathematics</a>, (2015), pp. 25-67, In Davis E., Davis P. (eds) Mathematics, Substance and Surmise.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/QRSConstant.html">QRS Constant</a>
%e 0.60544365719673274947...
%t z /. FindRoot[ Zeta[1/2, z/2], {z, 1}, WorkingPrecision -> 105] // RealDigits // First (* _Jean-François Alcover_, Mar 19 2013, after _Eric W. Weisstein_ *)
%o (PARI) solve(x=.3,1, zetahurwitz(1/2,x/2)) \\ _Charles R Greathouse IV_, Jan 31 2018
%Y Cf. A131330.
%K nonn,cons
%O 0,1
%A _Eric W. Weisstein_, Jun 28 2007