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A177030
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Numbers k such that 11^k + 3^k - 1 is prime.
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1
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OFFSET
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1,2
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COMMENTS
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LINKS
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FORMULA
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EXAMPLE
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7 is in the sequence, because 11^7 + 3^7 - 1 = 19489357 is prime.
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PROG
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(Magma)[n: n in [0..1500]|IsPrime(11^n+3^n-1^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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