lean_workbook_plus_81164
ProvedProve that if is even, is divisible by 3.
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_81164 : ∀ n : ℕ, Even n → 3 ∣ (4^n + 2^n + 1) := by sorry
Source
Prove that if is even, is divisible by 3.
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_81164 : ∀ n : ℕ, Even n → 3 ∣ (4^n + 2^n + 1) := by sorry