A070466 - OEIS

%I #12 Dec 18 2023 13:10:38

%S 0,1,4,9,16,25,36,5,20,37,12,33,12,37,20,5,36,25,16,9,4,1,0,1,4,9,16,

%T 25,36,5,20,37,12,33,12,37,20,5,36,25,16,9,4,1,0,1,4,9,16,25,36,5,20,

%U 37,12,33,12,37,20,5,36,25,16,9,4,1,0,1,4,9,16,25,36,5,20,37,12,33,12

%N a(n) = n^2 mod 44.

%H G. C. Greubel, <a href="/A070466/b070466.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_22">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, 1).

%F a(n) = a(n-22). - _G. C. Greubel_, Mar 25 2016

%t PowerMod[Range[0,100],2,44] (* _Harvey P. Dale_, Jul 05 2012 *)

%o (PARI) a(n)=n^2%44 \\ _Charles R Greathouse IV_, Apr 06 2016

%K nonn,easy

%O 0,3

%A _N. J. A. Sloane_, May 12 2002