Vacca-type series for values of the generalized-Euler-constant function and its derivative

We generalize well-known Catalan-type integrals for Euler's constant to values of the generalized-Euler-constant function and its derivatives. Using generating functions appeared in these integral representations we give new Vacca and Ramanujan-type series for values of the generalized-Euler-constant function and Addison-type series for values of the generalized-Euler-constant function and its derivative. As a consequence, we get base $B$ rational series for $\log\frac{4}π,$ $\frac{G}π$ (where $G$ is Catalan's constant), $\frac{ζ'(2)}{π^2}$ and also for logarithms of Somos's and Glaisher-Kinkelin's constants.

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