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%I #17 Mar 02 2024 01:27:35
%S 1,7,4,7,4,7,1,1,1,1,7,4,7,4,7,1,1,1,1,7,4,7,4,7,1,1,1,1,7,4,7,4,7,1,
%T 1,1,1,7,4,7,4,7,1,1,1,1,7,4,7,4,7,1,1,1,1,7,4,7,4,7,1,1,1,1,7,4,7,4,
%U 7,1,1,1
%N Period 9: repeat 1,7,4,7,4,7,1,1,1.
%H <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,0,0,0,0,1).
%t PadRight[{},120,{1,7,4,7,4,7,1,1,1}] (* _Harvey P. Dale_, Sep 14 2019 *)
%o (PARI) a(n)=[1,7,4,7,4,7,1,1,1][n%9+1] \\ _Charles R Greathouse IV_, Jul 13 2016
%Y Cf. A046163.
%K nonn,easy
%O 0,2
%A _Paul Curtz_, Dec 20 2008
%E Edited by _N. J. A. Sloane_, Dec 25 2008