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A247273
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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}.
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3
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163, 409333, 9671300983, 186521536807, 376040154163, 459775038913, 485142116713, 773464440907, 916792710667, 982557050143, 1087801149583, 1213507492723, 1822896797857, 2131006835017, 3026318319523, 4617478214407, 5141744558017, 6552892412047, 6629618954863, 6787014897877, 7636453217677, 7788411508483, 8311114648153, 8547311473387, 8668135024957, 9206471763547
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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, 11, if(ispseudoprime(p+(2*i)^2), c++)); if(c==11, print1(p, ", "))) \\ Derek Orr, Sep 11 2014
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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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