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A070534 a(n) = n^4 mod 17. 1
0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16, 1, 0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16, 1, 0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16, 1, 0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16, 1, 0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Equivalently: n^(16*m+4) mod 17. - G. C. Greubel, Apr 05 2016

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

FORMULA

From G. C. Greubel, Apr 05 2016: (Start)

a(17*n) = 0.

a(n+17) = a(n). (End)

MATHEMATICA

PowerMod[Range[0, 100], 4, 17] (* G. C. Greubel, Apr 05 2016 *)

PadRight[{}, 120, {0, 1, 16, 13, 1, 13, 4, 4, 16, 16, 4, 4, 13, 1, 13, 16, 1}] (* Harvey P. Dale, May 19 2018 *)

PROG

(Sage) [power_mod(n, 4, 17)for n in xrange(0, 84)] # Zerinvary Lajos, Oct 31 2009

(PARI) a(n)=n^4%17 \\ Charles R Greathouse IV, Apr 05 2016

CROSSREFS

Sequence in context: A028493 A291426 A299524 * A269299 A070577 A184752

Adjacent sequences:  A070531 A070532 A070533 * A070535 A070536 A070537

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, May 13 2002

STATUS

approved

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Last modified September 18 20:22 EDT 2019. Contains 327181 sequences. (Running on oeis4.)