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erdos_26.variants.rusza

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If we allow for $\sum_{a\in A} \frac{1}{a} < \infty$ then Rusza has found a counter-example.

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Lean 4 Statement 
theorem erdos_26.variants.rusza : ∃ A : ℕ → ℕ,
    StrictMono A ∧ ¬IsThick A ∧ ∀ k, ¬IsBehrend (A · + k)
ID: ErdosProblems__26__erdos_26.variants.rusza
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