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A133304
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Number of distinct prime factors of A101291.
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1
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2, 3, 5, 5, 5, 6, 5, 5, 5, 4, 5, 4, 5, 7, 7, 6, 5, 4, 5, 9, 7, 5, 4, 5, 6, 6, 8, 5, 6, 4, 7, 5, 7, 5, 5, 7, 4, 4, 6, 7
(list;
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refs;
listen;
history;
text;
internal format)
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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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The number of distinct prime factors of 45 is 2.
The number of distinct prime factors of 4905 is 3.
The number of distinct prime factors of 494550 is 5.
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MAPLE
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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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