A070358 - OEIS

A070358

a(n) = 3^n mod 32.

1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25, 11, 1, 3, 9, 27, 17, 19, 25

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OFFSET

0,2

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,1).

FORMULA

From R. J. Mathar, Apr 20 2010: (Start)

a(n) = a(n-8).

G.f.: ( -1-3*x-9*x^2-27*x^3-17*x^4-19*x^5-25*x^6-11*x^7 ) / ( (x-1)*(1+x)*(x^2+1)*(x^4+1) ). (End)

MATHEMATICA

PowerMod[3, Range[0, 50], 32] (* or *) Table[Mod[3^n, 32], {n, 0, 100}] (* G. C. Greubel, Mar 09 2016 *)