A131329 Decimal expansion of QRS constant.

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, 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, 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

Offset

0,1

Links

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

D. H. Bailey and J. M. Borwein, Experimental computation as an ontological game changer: The impact of modern mathematical computation tools on the ontology of mathematics, (2015), pp. 25-67, In Davis E., Davis P. (eds) Mathematics, Substance and Surmise.

Eric Weisstein's World of Mathematics, QRS Constant

Example

0.60544365719673274947...

Mathematica

z /. FindRoot[ Zeta[1/2, z/2], {z, 1}, WorkingPrecision -> 105] // RealDigits // First (* Jean-François Alcover, Mar 19 2013, after Eric W. Weisstein *)

Prog

(PARI) solve(x=.3, 1, zetahurwitz(1/2, x/2)) \\ Charles R Greathouse IV, Jan 31 2018

Crossrefs

Cf. A131330.

Sequence in context: A079540 A011492 A274419 * A165954 A340576 A104288

Adjacent sequences: A131326 A131327 A131328 * A131330 A131331 A131332

Keyword

nonn,cons

Author

Eric W. Weisstein, Jun 28 2007

Status

approved