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A046445
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Smallest composite with n prime factors that are distinct in length.
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0
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1, 22, 2222, 2241998, 22435673986, 2243634705621958, 2243641436526074865874, 22436456994448042654162451606, 2243645856500003226552543739737161242, 2243645872205524222052566325604967420160128694
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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p = 2; Join[{1}, Table[p = p*Prime[PrimePi[10^n] + 1], {n, 9}]] (* Jayanta Basu, Jun 24 2013 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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