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A000882
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Number of twin prime pairs <= product of first n primes.
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1
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0, 1, 4, 15, 69, 468, 4636, 57453, 896062, 18463713, 425177757, 11997649372, 385088898632, 13280323588034, 509456736126003
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OFFSET
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1,3
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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gandalf(AT)hrn.office.ssi.net (James D. Ausfahl)
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EXTENSIONS
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STATUS
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approved
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