%I #12 Sep 08 2022 08:45:38
%S 1,6,5,8,3,1,2,3,9,5,1,7,7,6,9,9,9,2,4,5,5,7,4,6,6,3,6,8,3,3,5,3,4,3,
%T 3,4,1,9,6,3,5,4,4,2,7,2,7,9,4,6,7,6,7,9,8,5,2,9,3,4,1,0,7,3,0,5,8,2,
%U 4,2,3,2,1,3,0,4,5,2,1,9,2,3,3,5,4,4,2,1,6,9,9,5,6,4,1,4,5,3,2
%N Decimal expansion of sqrt(11)/2.
%D D. Mumford et al., Indra's Pearls, Cambridge 2002; see p. 308.
%H G. C. Greubel, <a href="/A147313/b147313.txt">Table of n, a(n) for n = 1..1000</a>
%e 1.6583123951776999245574663683353433419635442727946767985293...
%p evalf( sqrt(11)/2, 120); # _G. C. Greubel_, Jan 09 2020
%t RealDigits[Sqrt[11]/2,10,120][[1]] (* _Harvey P. Dale_, Mar 06 2012 *)
%o (PARI) default(realprecision, 120); sqrt(11)/2 \\ _G. C. Greubel_, Jan 09 2020
%o (Magma) SetDefaultRealField(RealField(120)); Sqrt(11)/2; // _G. C. Greubel_, Jan 09 2020
%o (Sage) numerical_approx(sqrt(11)/2, digits=120) # _G. C. Greubel_, Jan 09 2020
%Y Cf. A010468 (sqrt(11)).
%K nonn,cons
%O 1,2
%A _N. J. A. Sloane_, Nov 22 2009