OFFSET
1,1
COMMENTS
FORMULA
Equals lim_{s->1} (zeta(s)^2/zeta(2*s - 1) + zeta(s)/zeta(s - 1)).
EXAMPLE
2.5213228030156252459082947654576656973612712226712864536570716921...
MATHEMATICA
RealDigits[N[-2*EulerGamma + 2*Log[2*Pi], 87]][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Mats Granvik, Feb 03 2024
STATUS
approved