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A116003
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n*phi(n)*phi(phi(n)) is a fourth power.
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0
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1, 32, 512, 3888, 8192, 25000, 62208, 131072, 314928, 400000, 759375, 995328, 2097152, 2839714, 3037500
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OFFSET
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1,2
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LINKS
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EXAMPLE
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3888*phi(3888)*phi(phi(3888))=216^4.
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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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