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A247276
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Primes p such that p + m^2 is prime for all m in {2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26}.
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0
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OFFSET
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1,1
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COMMENTS
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All terms are == {7, 13} mod 30.
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LINKS
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PROG
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(PARI)
forprime(p=1, 10^12, c=0; for(i=1, 13, if(ispseudoprime(p+(2*i)^2), c++); if(!ispseudoprime(p+(2*i)^2), break)); if(c==13, print1(p, ", "))) \\ Derek Orr, Sep 11 2014
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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STATUS
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approved
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