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A098032
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Primes p such that p = (prime(n)+ prime(n+5))/2.
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0
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59, 131, 139, 239, 269, 281, 331, 401, 431, 691, 769, 797, 929, 1021, 1439, 1549, 1741, 1831, 1847, 1999, 2141, 2221, 2269, 2459, 2633, 2699, 2719, 2731, 3319, 3529, 3583, 3691, 3709, 3779, 4327, 4373, 4651, 4969, 4999, 5011, 5021, 5717, 5869, 5879, 5903
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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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prime(15)+prime(20) = 59*2
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MATHEMATICA
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Select[Table[(Prime[n]+Prime[n+5])/2, {n, 1000}], PrimeQ] (* Harvey P. Dale, Jul 25 2011 *)
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PROG
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(PARI) f(n, m) = for(x=1, n, y=prime(x)+prime(x+m); if(y%2==0 & isprime(y\2), print1(y\2", ")))
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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