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theorem proved term proof

sigma_two_thirty

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formal statement (Lean)

1669theorem sigma_two_thirty : sigma 2 30 = 1300 := by native_decide

proof body

Term-mode proof.

1670
1671/-! ### More primeCounting values at round numbers -/
1672
1673/-- π(400) = 78. -/

depends on (3)

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