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math.NT2018
Asymptotic evaluation of Euler-phi sums of various residue classes
Amrik Singh Nimbran
This note contains some asymptotic formulas for the sums of various residue classes of Euler's phi-function.
math.NT2018
Sums of series involving central binomial coefficients & harmonic numbers
Amrik Singh Nimbran
This paper contains a number of series whose coefficients are products of central binomial coefficients & harmonic numbers. An elegant sum involving and two other nice sums…