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A088031
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).
1
3, 9, 729, 81, 39135393, 887503681, 594467302491009, 852891037441, 2460686496619787545743873, 1213972926354344043087129601, 2672769719437237714909813214827010049, 1313734498399602126928988680233144321, 749477178512218249053016816019761862837541531656193
OFFSET
1,1
COMMENTS
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
EXAMPLE
a(4) = 81 = 3^4 and 81-1 = 80 == 0 (mod 2^4).
CROSSREFS
Cf. A088032.
Sequence in context: A359615 A137036 A361389 * A069028 A318246 A137043
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Sep 19 2003
EXTENSIONS
More terms from Ray Chandler, Oct 04 2003
More terms from David Wasserman, Jun 21 2005
STATUS
approved