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A020775 Decimal expansion of 1/sqrt(18). 3

%I

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

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

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

%N Decimal expansion of 1/sqrt(18).

%C With offset 1, this is the decimal expansion of the volume of a cuboctahedron with edge length 1, which equals 5*sqrt(2)/3 = 2.357... . - _Wesley Ivan Hurt_, May 07 2021

%H Ivan Panchenko, <a href="/A020775/b020775.txt">Table of n, a(n) for n = 0..1000</a>

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

%e 0.2357022603955158414669481207016163464282786458961580121961132896... - _Vladimir Joseph Stephan Orlovsky_, May 30 2010

%t RealDigits[N[1/Sqrt[18],200]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *)

%Y Cf. A343199 (cuboctahedron surface area).

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_

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Last modified June 21 06:55 EDT 2021. Contains 345358 sequences. (Running on oeis4.)