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Consider the following sequence:
a1 = p, where p is a prime number.
an+1 = 2an+1
Prove there is no value of p for which every an is a prime number, or make me look dumb and construct a counterexample.
a1 = p, where p is a prime number.
an+1 = 2an+1
Prove there is no value of p for which every an is a prime number, or make me look dumb and construct a counterexample.