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Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
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2026_02_25_deepmind: A Lean proof found by AlphaProof that every non-square N at least 2 is a ratio of two products of two consecutive integers with disjoint blocks, through Pell's equation; merged into formal-conjectures.
2026_03_08_sothanaphan: A note generated by GPT-5.4 Thinking and posted by Nat Sothanaphan claims that a square is representable with k = 2 exactly when its root is a Pell value A_r(y), so infinitely many squares are representable.
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