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A057095
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Numbers n such that n^2 +1, n^2 +3, n^2 +7, n^2 +9 and n^2 +13 are simultaneously prime.
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0
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2, 10, 238850, 315410, 927070, 2525870, 2828270, 3993070, 4794520, 5617160, 6173870, 6859310, 8146100, 8294290, 9267220, 10053410, 10515340, 12720460, 15074770, 16755190, 16788580, 17525470, 21740120, 26657060, 29633510
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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[ Range[ 1, 5 10^7], PrimeQ[ #^2 + 1] && PrimeQ[ #^2 + 3] && PrimeQ[ #^2 + 7] && PrimeQ[ #^2 + 9] && PrimeQ[ #^2 + 13] & ]
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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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