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erdos_69.specialisation_of_erdos_257

Specification

Tao observed that `erdos_69` is a special case of `erdos_257`, since $$ \sum_{n\geq 2}\frac{\omega(n)}{2^n} = \sum_p \frac{1}{2^p - 1}. $$

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Lean 4 Statement 
theorem erdos_69.specialisation_of_erdos_257 :
    let A
ID: ErdosProblems__69__erdos_69.specialisation_of_erdos_257
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