https://www.mathworks.com/help/symbolic/sym.hurwitzzeta.html
hurwitzZeta - Hurwitz zeta function - MATLAB
This MATLAB function evaluates the Hurwitz zeta function for the numeric or symbolic inputs s and a.
hurwitz zeta functionmatlab
https://functions.wolfram.com/ZetaFunctionsandPolylogarithms/Zeta2/03/02/01/01/0052/
Hurwitz zeta function: Specific values (formula 10.02.03.0085)
hurwitz zeta functionspecificvaluesformula