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单词
catalan numbers
释义
Catalan numbers
Catalan numbers
[
′kat·əl·ən ‚nəm·bərz
]
(mathematics)
The numbers,
c
n
, which count the ways to insert parentheses in a string of
n
terms so that their product may be unambiguously carried out by multiplying two quantities at a time.
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更新时间：2025/9/18 19:37:14