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About: Lehmer code

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In mathematics and in particular in combinatorics, the Lehmer code is a particular way to encode each possible permutation of a sequence of n numbers. It is an instance of a scheme for numbering permutations and is an example of an inversion table. The Lehmer code is named in reference to Derrick Henry Lehmer, but the code had been known since 1888 at least.

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  • In mathematics and in particular in combinatorics, the Lehmer code is a particular way to encode each possible permutation of a sequence of n numbers. It is an instance of a scheme for numbering permutations and is an example of an inversion table. The Lehmer code is named in reference to Derrick Henry Lehmer, but the code had been known since 1888 at least. (en)
  • Le code de Lehmer est un concept mathématique, en combinatoire. (fr)
  • 数学とくに組合せ数学において、レーマー符号（レーマーふごう、英: Lehmer code）は、n 個の数のすべての置換を符号化する方法の一つである。レーマー符号という名前はに由来するが、この符号は少なくとも1888年には知られていた。 (ja)
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  • In mathematics and in particular in combinatorics, the Lehmer code is a particular way to encode each possible permutation of a sequence of n numbers. It is an instance of a scheme for numbering permutations and is an example of an inversion table. The Lehmer code is named in reference to Derrick Henry Lehmer, but the code had been known since 1888 at least. (en)
  • Le code de Lehmer est un concept mathématique, en combinatoire. (fr)
  • 数学とくに組合せ数学において、レーマー符号（レーマーふごう、英: Lehmer code）は、n 個の数のすべての置換を符号化する方法の一つである。レーマー符号という名前はに由来するが、この符号は少なくとも1888年には知られていた。 (ja)
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  • Code de Lehmer (fr)
  • Lehmer code (en)
  • レーマー符号 (ja)
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