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A085878
Smallest n-th power k^n == 1 (mod 10^n), where k>1.
1
11, 2401, 1003003001, 38513670001, 3200800080004000100001, 109572174941077441712143556000001, 10000007000002100000350000035000002100000070000001
OFFSET
1,1
COMMENTS
Sequence is infinite as (10^n + 1)^n is a candidate, or a(n) < = (10^n +1)^n.
EXAMPLE
a(2) = 49^2= 2401 == 1 (mod 100).
CROSSREFS
Cf. A085877.
Sequence in context: A272617 A301473 A087403 * A238633 A266815 A064779
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 07 2003
EXTENSIONS
More terms from Ray Chandler, Jul 12 2003
STATUS
approved