The amateur English mathematician Henry Ernest DudeneyDudeney, Henry Ernest (1857–1930) was one of the most prolific mathematical puzzle creators of the past two centuries. In 1914, he posed the following problem in a column entitled “Puzzles at a Village Inn”Puzzles at a Village Inn in The Strand Magazine.

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The Pell Equation

  • Eric L. F. Roettger,
  • Hugh C. Williams

摘要

The amateur English mathematician Henry Ernest DudeneyDudeney, Henry Ernest (1857–1930) was one of the most prolific mathematical puzzle creators of the past two centuries. In 1914, he posed the following problem in a column entitled “Puzzles at a Village Inn”Puzzles at a Village Inn in The Strand Magazine.