OFFSET
0,1
REFERENCES
Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 1.7.2, p. 55.
FORMULA
Equals Sum_{n>=1} (-1)^(n+1)/n^2 Sum_{k=1..n} 1/(k + n) (see Finch).
EXAMPLE
0.3983484188414979381406202084041821941620701721...
MATHEMATICA
RealDigits[Pi Catalan-33Zeta[3]/16, 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Stefano Spezia, Nov 14 2024
STATUS
approved