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A034923
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Numbers k such that 43^k - 42 is prime.
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0
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OFFSET
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1,1
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COMMENTS
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Related to hyperperfect numbers of a certain form.
k = 1017 produces a 1662-digit number which is only a probable prime. Any additional terms are greater than 1500.
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LINKS
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MATHEMATICA
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PROG
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(PARI) for(n=2, 1500, if(isprime(43^n-42), print1(n, ", ")))
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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