R

Rho Teras

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proved in 1976 that almost all Collatz sequences reach below their starting value (later refinements followed).

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The Simplest Math Problem No One Can Solve - Collatz Conjecture

The Simplest Math Problem No One Can Solve - Collatz Conjecture

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proved in 1976 that almost all Collatz sequences reach below their starting value (later refinements followed).