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A085878
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Smallest n-th power k^n == 1 (mod 10^n), where k>1.
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1
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OFFSET
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1,1
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COMMENTS
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Sequence is infinite as (10^n + 1)^n is a candidate, or a(n) < = (10^n +1)^n.
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LINKS
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EXAMPLE
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a(2) = 49^2= 2401 == 1 (mod 100).
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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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