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A105189
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Numbers n such that the string k100000000001 is prime.
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1
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14, 17, 24, 51, 54, 62, 89, 114, 116, 147, 159, 167, 170, 173, 180, 201, 233, 240, 249, 252, 254, 270, 285, 296, 317, 332, 350, 353, 362, 369, 371, 390, 399, 410, 423, 431, 446, 468, 479, 485, 497, 536, 543, 551, 564, 570, 573, 581, 585, 608, 609, 612, 654, 656, 683
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OFFSET
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1,1
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LINKS
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EXAMPLE
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k=14 is in the sequence because k100000000001 = 14100000000001 is prime.
k=147 is in the sequence because k100000000001 = 147100000000001 is prime.
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MATHEMATICA
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Select[Range[750], PrimeQ[#*10^12+100000000001]&] (* Harvey P. Dale, Sep 22 2016 *)
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PROG
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(Magma) [ n: n in [1..700] | IsPrime(Seqint([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1] cat Intseq(n))) ]; // Vincenzo Librandi, Feb 03 2011
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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