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A031936
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Lower prime of a difference of 18 between consecutive primes.
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12
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523, 1069, 1259, 1381, 1759, 1913, 2161, 2503, 2861, 3803, 3889, 4159, 4373, 4423, 4463, 4603, 4703, 4733, 5059, 5209, 5483, 6011, 6229, 6451, 6529, 6581, 6619, 7159, 7351, 7393, 7433, 7459, 7621, 7883, 8191, 8761, 9109, 9293, 9749
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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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Transpose[Select[Partition[Prime[Range[1300]], 2, 1], Last[#] - First[#] == 18 &]][[1]] (* Bruno Berselli, Apr 09 2013 *)
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PROG
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(Magma) [p: p in PrimesUpTo(10000) | NextPrime(p)-p eq 18]; // Bruno Berselli, Apr 09 2013
(PARI) isok(p) = isprime(p) && (nextprime(p+1) == p+18); \\ Michel Marcus, Sep 14 2015
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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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