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A081296
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Primes of the form 2^k - k.
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10
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OFFSET
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1,1
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COMMENTS
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The corresponding k are given in A048744.
Next term a(9) contains roughly 1000 digits and is too large to include. - R. J. Mathar, Jul 15 2007
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LINKS
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FORMULA
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MATHEMATICA
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Select[Table[2^n-n, {n, 300}], PrimeQ] (* Harvey P. Dale, Nov 24 2018 *)
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PROG
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(PARI) { for(k=1, 100000, if(isprime(2^k-k), print1(2^k-k, ", "))); } \\ R. J. Mathar, Jul 15 2007
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CROSSREFS
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Cf. A048744 (k such that 2^k - k is prime).
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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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