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A123370
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Primes of the form (2^n + 7)/3.
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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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Corresponding n's are 1,3,5,9,21,93 (all but n=3 are of the form n=4m+1, m=0,1,2,5,23...). Cf. A123250 = primes of the form 2^n + 5.
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LINKS
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MATHEMATICA
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Select[(2^Range[0, 1000]+7)/3, PrimeQ] (* Harvey P. Dale, May 20 2013 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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