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A021559 Decimal expansion of 1/555. 4

%I #33 Feb 22 2024 09:04:33

%S 0,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,

%T 0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,

%U 1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1,8,0,1

%N Decimal expansion of 1/555.

%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,1).

%F a(n) = (n+2)^3 mod 9, n>0. - _Gary Detlefs_, Feb 20 2011

%F G.f.: x^2*(1 + 8*x)/(1 - x^3). - _Ilya Gutkovskiy_, Jun 04 2016

%e 0.00180180180180180180180180180180180...

%t PadRight[{0}, 100, {8, 0, 1}] (* _Paolo Xausa_, Feb 22 2024 *)

%o (PARI) 1/555.0 \\ _Michel Marcus_, Jun 04 2016

%K nonn,cons

%O 0,4

%A _N. J. A. Sloane_

%E Formula corrected by _Paolo P. Lava_, Nov 20 2009

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)