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A070700 a(n) = n^7 mod 18. 1
0, 1, 2, 9, 4, 5, 0, 7, 8, 9, 10, 11, 0, 13, 14, 9, 16, 17, 0, 1, 2, 9, 4, 5, 0, 7, 8, 9, 10, 11, 0, 13, 14, 9, 16, 17, 0, 1, 2, 9, 4, 5, 0, 7, 8, 9, 10, 11, 0, 13, 14, 9, 16, 17, 0, 1, 2, 9, 4, 5, 0, 7, 8, 9, 10, 11, 0, 13, 14, 9, 16, 17, 0, 1, 2, 9, 4, 5, 0, 7, 8, 9, 10, 11, 0, 13, 14, 9, 16, 17 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

MATHEMATICA

PowerMod[Range[0, 100], 7, 18] (* Vincenzo Librandi, Jun 17 2016 *)

PROG

(Sage) [power_mod(n, 7, 18) for n in xrange(90)] # Zerinvary Lajos, Oct 28 2009

(PARI) a(n)=n^7%18 \\ Charles R Greathouse IV, Apr 06 2016

(MAGMA) [Modexp(n, 7, 18): n in [0..80]]; // Vincenzo Librandi, Jun 17 2016

CROSSREFS

Sequence in context: A097881 A019758 A016642 * A248682 A222239 A281384

Adjacent sequences:  A070697 A070698 A070699 * A070701 A070702 A070703

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, May 13 2002

STATUS

approved

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Last modified April 26 12:31 EDT 2019. Contains 322472 sequences. (Running on oeis4.)