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A088031
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Smallest n-th power k such that k-1 is divisible by an n-th power. Smallest n-th power == 1 (mod some n-th power).
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1
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3, 9, 729, 81, 39135393, 887503681, 594467302491009, 852891037441, 2460686496619787545743873, 1213972926354344043087129601, 2672769719437237714909813214827010049, 1313734498399602126928988680233144321, 749477178512218249053016816019761862837541531656193
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OFFSET
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1,1
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COMMENTS
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In order for the two descriptions to be equivalent, the n-th power cannot be 1 or the 2nd line cannot hold. - Ray Chandler, Oct 04 2003
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LINKS
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EXAMPLE
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a(4) = 81 = 3^4 and 81-1 = 80 == 0 (mod 2^4).
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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