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HadamardConjecture.variants.first_cases

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For all $k ≤ 166$, it is known there that there is a Hadamard matrix of size $4 * k$.

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Lean 4 Statement 
theorem HadamardConjecture.variants.first_cases (k : ℕ) (h : k ≤ 166) :
    ∃ M, IsHadamard (n
ID: Wikipedia__Hadamard__HadamardConjecture.variants.first_cases
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