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A377589
Decimal expansion of 9*zeta(3)/(2*Pi^2) - log(2) + 1/3.
2
1, 8, 8, 2, 5, 8, 3, 7, 9, 8, 2, 4, 4, 6, 6, 8, 9, 7, 9, 6, 0, 6, 2, 8, 7, 6, 0, 3, 5, 5, 9, 4, 2, 7, 4, 4, 9, 0, 3, 8, 4, 1, 9, 0, 2, 7, 8, 2, 6, 0, 8, 9, 3, 1, 7, 6, 6, 1, 4, 7, 3, 4, 1, 3, 0, 2, 6, 2, 0, 4, 3, 4, 3, 7, 2, 5, 0, 2, 7, 9, 3, 9, 2, 7, 7, 7, 2, 5, 3, 4, 1, 9, 2, 6, 5, 5, 5, 7, 3, 2
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]]
KEYWORD
nonn,cons
AUTHOR
Stefano Spezia, Nov 02 2024
STATUS
approved