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A192542
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Numbers n such that the interval [2^n-n, 2^n] is prime-free.
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0
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15, 25, 27, 28, 30, 34, 38, 40, 43, 45, 47, 48, 49, 51, 53, 55, 60, 71, 72, 75, 88, 97, 99, 106, 113, 117, 126, 128, 132, 139, 145, 146, 148, 151, 154, 168, 169, 175, 176, 177, 185, 186, 192, 208, 216, 223, 227, 232, 240, 253, 259
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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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Select[Range[260], NextPrime[2^#-#]>2^#&] (* Harvey P. Dale, Apr 08 2013 *)
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PROG
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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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