MSC 33E20

Hurwitz zeta function Lerch function $\Phi (z,s,a)$ $li(x)=\int_{0}^{x}\frac{dt}{\ln t} $Logarithmic integral Riemann zeta function

Hurwitz zeta function Lerch function $\Phi (z,s,a)$ $li(x)=\int_{0}^{x}\frac{dt}{\ln t} $Logarithmic integral Riemann zeta function