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A139737 a(n) = 10^n mod 7^n. 1
0, 3, 2, 314, 396, 15965, 58808, 117484, 1998383, 31513432, 113366285, 1133662850, 3427321528, 20431928079, 301208291197, 3012082911970, 30120829119700, 201509499488197, 154050882984314, 3168922427753589, 20290329092162747, 202903290921627470 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..300

MATHEMATICA

Table[PowerMod[10, n, 7^n], {n, 0, 30}] (* Harvey P. Dale, Aug 11 2014 *)

PROG

(Magma) [10^n mod 7^n: n in [0..30]]; // Vincenzo Librandi, Jun 02 2011

CROSSREFS

Sequence in context: A297532 A037057 A065585 * A354386 A036113 A226840

Adjacent sequences: A139734 A139735 A139736 * A139738 A139739 A139740

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 20 2008

STATUS

approved

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Last modified December 6 16:00 EST 2022. Contains 358644 sequences. (Running on oeis4.)