Journal of Classical Analysis · Volume 16, Issue 1 On the calculation of two essential harmonic series with a weight 5 structure, involving harmonic numbers of the type H2n 16-01 Pages 1-7 DOI 10.7153/jca-2020-16-01 Downloads Short PDF Full PDF PNG Authors Cornel Ioan Vălean Keywords harmonic numbers harmonic series logarithmic integrals polylogarithm function Riemann zeta function Dirichlet eta function Subject classes 26A36 33B30 65B10 40C10 40G10 11M06