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A077332
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Smallest number beginning with 7 and having exactly n distinct prime divisors.
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9
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7, 72, 70, 714, 7140, 71610, 746130, 70136220, 703600590, 70015935990, 700288518930, 7420738134810, 701098433345310, 70007243563797540, 757887406446280110, 70025936403159126390, 7001749954335151685670, 700007496840185797172910
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(3) = 70 = 2*5*7.
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CROSSREFS
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KEYWORD
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base,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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