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%I #15 Dec 18 2023 17:27:29
%S 0,1,16,0,13,4,0,25,19,0,10,7,0,22,22,0,7,10,0,19,25,0,4,13,0,16,1,0,
%T 1,16,0,13,4,0,25,19,0,10,7,0,22,22,0,7,10,0,19,25,0,4,13,0,16,1,0,1,
%U 16,0,13,4,0,25,19,0,10,7,0,22,22,0,7,10,0,19,25,0,4,13,0,16,1,0,1,16,0
%N a(n) = n^4 mod 27.
%H <a href="/index/Rec#order_27">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%t PowerMod[Range[0,90],4,27] (* _Harvey P. Dale_, Apr 23 2015 *)
%o (Sage) [power_mod(n,4,27)for n in range(0, 84)] # - _Zerinvary Lajos_, Nov 01 2009
%o (PARI) a(n)=n^4%27 \\ _Charles R Greathouse IV_, Apr 06 2016
%K nonn,easy
%O 0,3
%A _N. J. A. Sloane_, May 13 2002
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