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A115402
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Difference between 3-almostprime(n) and 3-almostprime(n+3).
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1
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12, 15, 10, 10, 15, 16, 15, 8, 8, 18, 16, 16, 7, 9, 8, 8, 17, 22, 21, 10, 7, 11, 12, 11, 7, 10, 9, 13, 14, 22, 18, 15, 7, 16, 12, 16, 7, 7, 4, 4, 10, 12, 13, 8, 9, 19, 22, 27, 23, 19, 14, 8, 11, 8
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OFFSET
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1,1
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LINKS
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FORMULA
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EXAMPLE
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MATHEMATICA
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Last[#]-First[#]&/@Partition[Select[Range[300], PrimeOmega[#]==3&], 4, 1] (* Harvey P. Dale, Nov 09 2012 *)
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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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STATUS
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approved
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