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a(n) = n^6 mod 26.
0

%I #13 Dec 26 2023 21:19:06

%S 0,1,12,1,14,25,12,25,12,1,14,25,14,13,14,25,14,1,12,25,12,25,14,1,12,

%T 1,0,1,12,1,14,25,12,25,12,1,14,25,14,13,14,25,14,1,12,25,12,25,14,1,

%U 12,1,0,1,12,1,14,25,12,25,12,1,14,25,14,13,14,25,14,1,12,25,12,25,14

%N a(n) = n^6 mod 26.

%H <a href="/index/Rec#order_26">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, 1).

%F a(n) = a(n-26). - _Wesley Ivan Hurt_, Dec 26 2023

%t PowerMod[Range[0, 100], 6, 26] (* _Wesley Ivan Hurt_, Dec 26 2023 *)

%o (Sage) [power_mod(n,6,26)for n in range(0, 75)] # _Zerinvary Lajos_, Nov 06 2009

%o (PARI) a(n)=n^6%26 \\ _Charles R Greathouse IV_, Apr 06 2016

%K nonn,easy

%O 0,3

%A _N. J. A. Sloane_, May 13 2002