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A143279
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Numbers n such that 6*5^n + 1 is prime.
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3
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0, 1, 2, 3, 23, 27, 33, 63, 158, 278, 290, 351, 471, 797, 8462, 28793, 266030
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Primes found and proved by PrimeForm.
All terms correspond to verified primes, that is, not merely probable primes. - Robert Price, Jan 16 2015
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LINKS
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MATHEMATICA
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Select[Range[0, 10000], PrimeQ[6*5^# + 1] &] (* Robert Price, Jan 16 2015 *)
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PROG
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CROSSREFS
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KEYWORD
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hard,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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