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 A160332 Decimal expansion of the one real root of x^3-8x-10. 3

%I

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

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

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

%N Decimal expansion of the one real root of x^3-8x-10.

%H Harry J. Smith, <a href="/A160332/b160332.txt">Table of n, a(n) for n = 1..20000</a>

%H Adam P. Goucher, <a href="http://cp4space.wordpress.com/2013/09/04/exotic-continued-fractions/">Exotic continued fractions</a>

%F See second PARI script.

%e 3.31862821775018565910968015331802246772191980883690026022809199584019...

%o (PARI) default(realprecision, 20080); x=NULL; p=x^3 - 8*x - 10; rs=polroots(p); r=real(rs[1]); for (n=1, 20000, d=floor(r); r=(r-d)*10; write("b160332.txt", n, " ", d));

%o (PARI) sqrtn(5+sqrt(163/27), 3) + sqrtn(5-sqrt(163/27), 3); \\ _Michel Marcus_, Sep 06 2013

%o (PARI) polrootsreal(x^3-8*x-10)[1] \\ _Charles R Greathouse IV_, Apr 14 2014

%Y Cf. A002937 Continued fraction.

%K nonn,easy,cons

%O 1,1

%A _Harry J. Smith_, May 11 2009

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Last modified April 8 03:01 EDT 2020. Contains 333312 sequences. (Running on oeis4.)