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A066793
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The start of a record-breaking run of consecutive integers with an even number of prime factors.
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4
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1, 9, 14, 33, 54, 140, 213, 1934, 35811, 38405, 200938, 389409, 1792209, 5606457, 8405437, 68780189, 880346227, 85910903650, 87635944146, 284340107954, 2195312273836, 2864568747364, 3155591650029
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OFFSET
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1,2
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COMMENTS
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Prime factors counted with multiplicity. - Harvey P. Dale, Sep 06 2022
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LINKS
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MATHEMATICA
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Table[SequencePosition[If[EvenQ[#], 1, 0]&/@PrimeOmega[Range[40000]], PadRight[{}, n, 1], 1][[All, 1]], {n, 14}]//Flatten//Union (* The program generates the first 10 terms of the sequence. *) (* Harvey P. Dale, Sep 06 2022 *)
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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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a(12) and a(14) corrected and a(18)-a(20) from Donovan Johnson, Oct 11 2010
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STATUS
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approved
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