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%I #14 Dec 12 2023 08:54:22
%S 0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,
%T 0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,
%U 0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0,0,1,0,0,0,0,-1,0
%N Period 8: repeat [0, 1, 0, 0, 0, 0, -1, 0].
%H <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (-1,-1,-1,-1,-1,-1,-1).
%F a(n) = floor((n-1)/8) - floor((n-2)/8) - floor((n-6)/8) + floor((n-7)/8). - _Wesley Ivan Hurt_, Sep 01 2019
%o (PARI) a(n)=if(n%8==1,1,n%8==6,-1,0) \\ _Charles R Greathouse IV_, Jul 13 2016
%K sign,easy
%O 0,1
%A _Paul Curtz_, Nov 01 2007
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