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A065059
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Primes p such that prime(p) + pi(p) is a prime.
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2
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3, 13, 53, 71, 113, 181, 397, 463, 479, 557, 593, 647, 683, 701, 719, 743, 769, 863, 941, 983, 1069, 1091, 1109, 1181, 1193, 1231, 1277, 1291, 1307, 1451, 1733, 1811, 1931, 2347, 2393, 2411, 2473, 2531, 2551, 2593, 2887, 3041, 3221, 3251, 3347, 3361
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Prime[Range[500]], PrimeQ[Prime[#]+PrimePi[#]]&] (* Harvey P. Dale, Oct 12 2014 *)
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PROG
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(PARI) { n=0; default(primelimit, 4294965247); for (m=1, 10^9, p=prime(m); if (isprime(prime(p) + primepi(p)), write("b065059.txt", n++, " ", p); if (n==1000, return)) ) } \\ Harry J. Smith, Oct 05 2009
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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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