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A020781 Decimal expansion of 1/sqrt(24). 6

%I #22 Aug 14 2023 10:32:50

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

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

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

%N Decimal expansion of 1/sqrt(24).

%C Radius of the inscribed sphere (tangent to the faces) for a regular tetrahedron with unit edges. - _Stanislav Sykora_, Nov 20 2013

%H Ivan Panchenko, <a href="/A020781/b020781.txt">Table of n, a(n) for n = 0..1000</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Tetrahedron">Tetrahedron</a>

%H <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>

%e 1/Sqrt(24)=0.20412414523193150818310700622549094933... - _Vladimir Joseph Stephan Orlovsky_, May 30 2010

%t RealDigits[N[1/Sqrt[24],200]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *)

%Y Cf. Platonic solids inradii: A020763 (octahedron), A179294 (icosahedron), A237603 (dodecahedron). - _Stanislav Sykora_, Feb 25 2014

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_.

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