Carol number

名词 n.

英文释义

名词 n.
  1. An integer of the form 4ⁿ-2ⁿ⁺¹-1.
    — Mathematically, it is actually interesting in all sorts of ways, being both a Keith number and a Carol number.

词形变化

Carol numbers plural

词源

First studied by Cletus Emmanuel, who named it after a friend, Carol G. Kirnon.
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