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(480/1243)sum(k=0..inf,(3103+21503k)/((4k+13)(4k+15)(4k+17)(4k+19)(4k+21)(4k+23)(4k+25)(4k+27)))
(480/1243)sum(k=0..inf,(3103+21503k)/((4k+13)(4k+15)(4k+17)(4k+19)(4k+21)(4k+23)(4k+25)(4k+27)))
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