Carol number
A device that uses infrared light to monitor the activity of a caged laboratory animal
(mathematics) An integer of the form 4ⁿ-2ⁿ⁺¹-1.
(law) A pair of identical documents executed by two people in order to ensure identical dispositions of their property upon the death of either or both.
Not having been deveined.
研究者たちは、形が4^n−2^{n+1}−1である整数が特定のnの値で素数になり得るかを調べた。
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DiQt
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