semifactorial

名词 n.

英文释义

名词 n.
  1. Synonym of double factorial. rare
    — With the symbol n#33;#33; we indicate the semifactorial of n, that is the product 1.3.5#92;dotsn if n is odd, and the product 2.4.6#92;dotsn if n is even.

词形变化

semifactorials plural

词源

From semi- + factorial.
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