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A057464
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Numbers k such that 10*13^k + 1 is prime.
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0
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0, 1, 4, 7, 8, 26, 33, 64, 116, 201, 1278, 1927, 2549, 4054, 5379, 5704, 6639, 13785
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OFFSET
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1,3
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COMMENTS
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LINKS
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MATHEMATICA
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Do[ If[ PrimeQ[ 10*13^n + 1 ], Print[ n ] ], {n, 0, 1000} ]
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PROG
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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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