ArithmeticFunction.carmichael_two_pow_of_ne_two

∀ {n : ℕ}, n ≠ 2 → ArithmeticFunction.carmichael (2 ^ n) = 2 ^ (n - 2)

Note that 2 ^ (n - 2) = 1 when n ≤ 1.

Defined in: Mathlib.NumberTheory.ArithmeticFunction.Carmichael
Cited by: 1 results in Mathlib
Foundations: Depth 162 from the axioms · uses propext, Classical.choice, Quot.sound

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