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A154882
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a(n) is the smallest number with at least as many divisors as a(n-1)^2.
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0
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2, 4, 12, 120, 7560, 8648640, 1927522396800, 4747472432036420486400, 128438082648984172330026178330296384000, 6184173455628205993842062057864303743050691444602955105860128640000
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OFFSET
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1,1
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LINKS
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FORMULA
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EXAMPLE
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4^2 = 16 has 5 divisors; the smallest number with at least 5 divisors is 12.
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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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STATUS
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approved
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