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A111210
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Primes of the form (2^k - prime(k))/3.
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0
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3, 7, 17, 37, 79, 163, 183251937907, 96076792050570491, 27043212804868893898596335047829, 1772303994379887830538409413707125877, 510831846955296286119449009050103061206246374061200369
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OFFSET
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1,1
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COMMENTS
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Corresponding k's are 4, 5, 6, 7, 8, 9, 39, 58, 106, 122, 180, 309, 357, 696, ... - Michel Marcus, Jul 04 2021
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LINKS
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MATHEMATICA
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a = Flatten[Table[If[PrimeQ[(2^n - Prime[n])/3] == True, (2^n - Prime[n])/3, {}], {n, 1, 100}]]
Table[ If[PrimeQ[(2^n - Prime[n])/3], (2^n - Prime[n])/3, {}], {n, 1, 200}]]//Flatten (* Robert G. Wilson v, Oct 31 2005 *)
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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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