OFFSET
-1,1
FORMULA
Equals Sum_{k>=1} log(k)^2/k^4. - Amiram Eldar, May 28 2021
EXAMPLE
0.06505816136788066186035476173657024...
MAPLE
Digits := 100 ; evalf(Zeta(2, 4)) ;
MATHEMATICA
RealDigits[Zeta''[4], 10, 100][[1]] (* Amiram Eldar, May 28 2021 *)
PROG
(PARI) zeta''(4) \\ Michel Marcus, Jan 07 2021
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
R. J. Mathar, Jan 07 2021
STATUS
approved