OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Philippe Flajolet, Bruno Salvy, Euler Sums and Contour Integral Representations, Experimental Mathematics 7:1 (1998) page 27.
FORMULA
Equals 2*zeta(3)^2 - 11/5040*Pi^6.
EXAMPLE
0.79161153152434211716617692742020206556997223833501687696290045428823...
MATHEMATICA
RealDigits[2*Zeta[3]^2 - 33/16*Zeta[6], 10, 102] // First
PROG
(PARI) default(realprecision, 100); 2*zeta(3)^2 - 11/5040*Pi^6 \\ G. C. Greubel, Aug 31 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); L:=RiemannZeta(); 2*Evaluate(L, 3)^2 - 11/5040*Pi(R)^6; // G. C. Greubel, Aug 31 2018
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Jul 04 2014
STATUS
approved