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A175504
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a(n) = n ^ (phi(n) - 1), phi(n) = A000010(n) = Euler totient function.
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1
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1, 1, 3, 4, 125, 6, 16807, 512, 59049, 1000, 2357947691, 1728, 1792160394037, 537824, 170859375, 268435456, 2862423051509815793, 1889568, 5480386857784802185939, 1280000000, 350277500542221
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OFFSET
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1,3
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COMMENTS
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a(n) = A062981(n) / n. a(n) = A001783(n) / n * Product_{d|n} (d!/d^d)^A008683(n/d) = (Product_{GCD(k, n)=1} k) / (n * Product_{d|n} (d!/d^d)^A008683(n/d)).
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LINKS
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MATHEMATICA
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PROG
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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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