A021479 - OEIS

%I #10 Aug 11 2020 01:37:31

%S 0,0,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,

%T 3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,

%U 4,7,3,6,8,4,2,1,0,5,2,6,3,1,5,7,8,9,4,7,3,6,8,4,2,1,0,5,2,6,3

%N Decimal expansion of 1/475.

%H <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,0,0,0,0,-1,1).

%F From _Chai Wah Wu_, Aug 10 2020: (Start)

%F a(n) = a(n-1) - a(n-9) + a(n-10) for n > 11.

%F G.f.: x^2*(-4*x^9 - 4*x^8 + 2*x^7 + 3*x^6 - 4*x^5 + 3*x^4 - 5*x^3 + x^2 + x - 2)/(x^10 - x^9 + x - 1). (End)

%t Join[{0,0},RealDigits[1/475,10,120][[1]]] (* _Harvey P. Dale_, Jan 22 2019 *)

%K nonn,cons

%O 0,3

%A _N. J. A. Sloane_.