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A178434
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Numbers n such that 10^n - 71 is prime.
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0
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2, 3, 4, 5, 7, 9, 10, 14, 22, 98, 127, 151, 158, 274, 377, 1015, 2146, 8499, 13885, 13991, 17834, 18211, 36271, 52317, 53804, 104212, 117059, 178695
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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10^4 - 71 = 9929 which is a prime number.
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MATHEMATICA
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nMax=1000; Do[If[PrimeQ[10^n-71], Print[n]], {n, nMax}]
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PROG
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CROSSREFS
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KEYWORD
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more,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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