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A100362
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Primes of the form 2^k - k + 1.
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6
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2, 2, 3, 13, 59, 65521, 262127, 18014398509481931, 288230376151711687, 1267650600228229401496703205277, 1329227995784915872903807060280344457
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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PROG
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(Magma) [ a: n in [0..200] | IsPrime(a) where a is 2^n-n+1 ]; // Vincenzo Librandi, Jul 18 2012
(Sage)
def list_a(k):
return [(2**i) - i + 1 for i in range(k) if (2**i) - i + 1 in Primes()] # Giuseppe Bonaccorso, Aug 15 2019
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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