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A173837
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Primes of the form 10^n-2*n+1.
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6
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2, 97, 99991, 99999999999973, 999999999999999999999999999999999999999917, 999999999999999999999999999999999999999999999999999999999999999999999857, 99999999999999999999999999999999999999999999999999999999999999999999999853
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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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MATHEMATICA
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PROG
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(Magma) [a: n in [0..300] | IsPrime(a) where a is 10^n-2*n+1 ]; // Vincenzo Librandi, Jul 26 2012
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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