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A109097
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Numbers n such that n! is the product of exactly four smaller factorials.
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10
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8, 9, 24, 72, 96, 216, 288, 480, 864, 1152, 1440, 2880, 3456, 4320, 5760, 8640, 13824, 17280, 20160, 25920, 28800, 34560, 60480, 69120, 86400
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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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86400! = 3! * 5! * 5! * 86399!, so 86400 is in the sequence.
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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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