OFFSET
0,2
REFERENCES
Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 1.6.3, pp. 43-44.
FORMULA
Equals Sum_{k>=1} zeta(2*k)/((2*k + 3)*2^(2*k-1)) (see Finch).
EXAMPLE
0.18825837982446689796062876035594274490384190278...
MATHEMATICA
RealDigits[9Zeta[3]/(2Pi^2)-Log[2]+1/3, 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Stefano Spezia, Nov 02 2024
STATUS
approved