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%I #15 Dec 26 2023 23:59:13
%S 0,0,1,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,
%T 8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,
%U 6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6,9,8,4,1,2,6
%N Decimal expansion of 1/504.
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (2,-2,1).
%F From _Chai Wah Wu_, Aug 10 2020: (Start)
%F a(n) = 2*a(n-1) - 2*a(n-2) + a(n-3) for n > 5.
%F G.f.: x^2*(-5*x^3 + 8*x^2 - 7*x - 1)/((x - 1)*(x^2 - x + 1)). (End)
%K nonn,cons
%O 0,4
%A _N. J. A. Sloane_.