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A088257
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Primorials P which have at least one prime neighbor; i.e., P+1 or P-1 or both are primes.
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6
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OFFSET
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1,2
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COMMENTS
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Next term a(11) is 131 digits and is too large to include.
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LINKS
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MATHEMATICA
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Select[FoldList[Times, 1, Prime[Range[70]]], PrimeQ[#-1]||PrimeQ[#+1]&] (* Harvey P. Dale, Oct 22 2011 *)
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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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