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A174900
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a(n) = the smallest numbers k such that A007955(k) = n, or 0 if there is no such k, where A007955(m) = product of divisors of m.
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0
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1, 2, 3, 0, 5, 0, 7, 4, 0, 0, 11, 0, 13, 0, 0, 0, 17, 0, 19, 0, 0, 0, 23, 0, 0, 0, 9, 0, 29, 0
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internal format)
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OFFSET
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1,2
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COMMENTS
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a(n) = the largest numbers k such that A007955 (k) = n, or 0 if there is no such k.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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