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A195726 Decimal expansion of arccos(-sqrt(5/6)). 2

%I

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

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

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

%N Decimal expansion of arccos(-sqrt(5/6)).

%H G. C. Greubel, <a href="/A195726/b195726.txt">Table of n, a(n) for n = 1..10000</a>

%e arccos(-sqrt(5/6)) = 2.72105831830582...

%t r = Sqrt[5/6];

%t N[ArcCos[-r], 100]

%t RealDigits[%]

%o (PARI) acos(-sqrt(5/6)) \\ _G. C. Greubel_, Aug 20 2018

%o (MAGMA) SetDefaultRealField(RealField(100)); Arccos(-Sqrt(5/6)); // _G. C. Greubel_, Aug 20 2018

%Y Cf. A195725.

%K nonn,cons

%O 1,1

%A _Clark Kimberling_, Sep 23 2011

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Last modified January 25 19:00 EST 2022. Contains 350572 sequences. (Running on oeis4.)