OFFSET
1,2
COMMENTS
Equals the Dirichlet zeta-function sum_{n>=1} A000203(n)/n^s at s=4.
EXAMPLE
Equals 1.301014114532488574154...
MAPLE
evalf(Zeta(3)*Zeta(4)) ;
MATHEMATICA
RealDigits[N[Zeta[3] * Zeta[4], 75]][[1]] (* Alonso del Arte, Jan 06 2011 *)
CROSSREFS
KEYWORD
AUTHOR
R. J. Mathar, Jan 06 2011
STATUS
approved