1-24sum n((e^(-2pi/5)(-1)^(4/5)))^n/(1-((e^(-2pi/5)(-1)^(4/5)))^n), n=1 to 311-24sum n((e^(-2pi/5)(-1)^(4/5)))^n/(1-((e^(-2pi/5)(-1)^(4/5)))^n), n=1 to 31

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