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A053072
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Primes p such that p-12, p and p+12 are consecutive primes.
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4
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211, 1511, 4409, 4691, 7841, 9871, 11299, 11411, 11731, 12841, 15161, 16619, 17431, 17851, 18341, 18731, 19739, 19949, 20161, 20521, 20731, 21661, 22051, 22259, 23801, 25621, 26041, 28069, 29599, 30059, 31051, 32479, 34171, 35129
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OFFSET
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1,1
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COMMENTS
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In other words, balanced primes separated from the next lower and next higher prime neighbors by 12.
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LINKS
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FORMULA
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EXAMPLE
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1511 is separated from both the next lower prime and the next higher prime by 12.
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MAPLE
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for i from 1 by 1 to 5000 do if ithprime(i+1) = ithprime(i) +12 and ithprime(i+2) = ithprime(i) + 24 then print(ithprime(i+1)); # Zerinvary Lajos, May 04 2007
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MATHEMATICA
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Transpose[Select[Partition[Prime[Range[4000]], 3, 1], Differences[#] == {12, 12}&]][[2]] (* Harvey P. Dale, Apr 07 2013 *)
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CROSSREFS
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KEYWORD
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easy,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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