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A102731
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Numbers k such that 11*k + 23 is prime.
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1
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0, 4, 6, 16, 28, 30, 34, 36, 40, 54, 58, 60, 64, 76, 78, 84, 88, 90, 100, 114, 118, 126, 130, 144, 160, 168, 180, 186, 190, 196, 204, 208, 210, 214, 216, 228, 240, 244, 246, 258, 264, 268, 274, 286, 288, 294, 298, 300, 306, 310, 316, 328, 334, 336, 348, 354, 364
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OFFSET
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1,2
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LINKS
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FORMULA
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EXAMPLE
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If k=0, then 11*0 + 23 = 23 (prime).
If k=54, then 11*54 + 23 = 617 (prime).
If k=114, then 11*114 + 23 = 1277 (prime).
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MATHEMATICA
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Select[Range[0, 400], PrimeQ[11#+23]&] (* Harvey P. Dale, Oct 17 2011 *)
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PROG
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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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