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A135115
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Integers k such that 10^k + 63 is a prime number.
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1
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1, 2, 3, 11, 12, 37, 42, 64, 101, 131, 170, 366, 404, 771, 1454, 1696, 4415, 5208, 9027, 10978, 11264, 11651, 14432, 20655, 28220, 34623, 62523, 63986
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OFFSET
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1,2
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COMMENTS
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If another term exists it is > 100000. - Robert Price, Apr 25 2011
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10063".
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LINKS
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EXAMPLE
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3 is a term because 10^3 + 63 = 1000 + 63 = 1063, which is prime.
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MATHEMATICA
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Select[Range[2000], PrimeQ[10^#+63]&] (* Harvey P. Dale, Jul 24 2009 *)
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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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Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
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EXTENSIONS
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STATUS
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approved
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