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(37/11880)(−9)^n−(119/360)(−3)^n−(1/40)+(122/55)(2)^n+(7/8)(3)^n, n = 5
(37/11880)(−9)^n−(119/360)(−3)^n−(1/40)+(122/55)(2)^n+(7/8)(3)^n, n = 5
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