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A297348
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Numbers k such that 12*13^k - 1 is prime.
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1
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0, 2, 7, 11, 36, 164, 216, 302, 311, 455, 738, 1107, 2244, 3326, 4878, 8067
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OFFSET
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1,2
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COMMENTS
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Williams primes to base 12.
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LINKS
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MATHEMATICA
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Select[Range[0, 10000], PrimeQ[12*13^n-1] &]
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PROG
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(PARI) for(n=0, 10000, if(isprime(12*13^n-1), print1(n, ", ")))
(Magma) [n: n in [0..10000] |IsPrime(12*13^n-1)]
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CROSSREFS
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Cf. A003307, A272057, A046865, A079906, A046866, A268061, A268356, A056725, A046867, A079907, A273523.
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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