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Jacques Ozanam
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Jacques Ozanam

French mathematician

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contribution to mathematical recreations

  • Square numbers shown formed from consecutive triangular numbers
    In number game: 18th and 19th centuries

    …outstanding work was that of Jacques Ozanam, the precursor of books to follow for the next 200 years. First published in four volumes in 1694, his Récréations mathématique et physiques went through many editions; based on the works of Bachet, Mydorge, Leurechon, and Schwenter, it was later revised and enlarged…

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