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A110920
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Integers n such that 2*10^n + 81 is a prime number.
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0
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0, 1, 2, 3, 6, 7, 8, 15, 36, 38, 51, 168, 1000, 2955, 8151, 16456, 17902, 18784, 24948, 28731, 87144
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OFFSET
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1,3
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COMMENTS
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See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "20081".
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LINKS
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EXAMPLE
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n = 3 is a term because 2*10^3 + 81 = 2*1000 + 81 = 2000 + 81 = 2081 and 2081 is prime.
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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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Julien Peter Benney (jpbenney(AT)ftml.net), Oct 04 2005
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EXTENSIONS
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STATUS
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approved
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