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A227646
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Perfect powers equal to the sum of 5 factorial numbers.
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2
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8, 9, 16, 25, 32, 36, 125, 128, 144, 216, 243, 289, 729, 1444, 1681, 2304, 3600, 5832, 45369, 121104, 363609, 7257636, 11289600, 6234681600
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OFFSET
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1,1
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COMMENTS
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a(25), if it exists, is larger than 10^100.
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LINKS
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EXAMPLE
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5832 = 18^3 = 4! + 4! + 4! + 6! + 7!.
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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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