"Brocard's problem" meaning in English

{
  "etymology_text": "It was posed by Henri Brocard in a pair of articles in 1876 and 1885.",
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      "expansion": "Brocard's problem",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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          "name": "Mathematics",
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      "glosses": [
        "The problem of finding integer values of n and m for which n!+1=m², where n! is the factorial."
      ],
      "id": "en-Brocard's_problem-en-name-WulAKi2D",
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          "mathematics",
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          "integer",
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        [
          "factorial",
          "factorial"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The problem of finding integer values of n and m for which n!+1=m², where n! is the factorial."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Henri Brocard"
      ]
    }
  ],
  "word": "Brocard's problem"
}

{
  "etymology_text": "It was posed by Henri Brocard in a pair of articles in 1876 and 1885.",
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      "expansion": "Brocard's problem",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
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        "English proper nouns",
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        "en:Mathematics"
      ],
      "glosses": [
        "The problem of finding integer values of n and m for which n!+1=m², where n! is the factorial."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "integer",
          "integer"
        ],
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          "factorial",
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        ]
      ],
      "raw_glosses": [
        "(mathematics) The problem of finding integer values of n and m for which n!+1=m², where n! is the factorial."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Henri Brocard"
      ]
    }
  ],
  "word": "Brocard's problem"
}