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%I #20 May 03 2021 17:14:05
%S 7,3,4,8,4,6,9,2,2,8,3,4,9,5,3,4,2,9,4,5,9,1,8,5,2,2,2,4,1,1,7,6,7,4,
%T 1,7,5,8,9,7,8,4,2,4,4,1,9,7,0,0,1,0,3,8,5,2,9,8,0,7,7,7,0,1,7,5,2,8,
%U 8,1,1,3,2,3,7,1,9,4,5,0,7,9,6,1,9,5,7,8,2,9,9,3,1,3,9,2,0,7,0
%N Decimal expansion of square root of 54.
%C Continued fraction expansion is 7 followed by {2, 1, 6, 1, 2, 14} repeated. - _Harry J. Smith_, Jun 06 2009
%C Surface area to volume ratio of an octahedron with unit side length. - _Wesley Ivan Hurt_, May 02 2021
%H Harry J. Smith, <a href="/A010507/b010507.txt">Table of n, a(n) for n = 1..20000</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Surface-area-to-volume_ratio">Surface-area-to-volume ratio</a>
%e 7.348469228349534294591852224117674175897842441970010385298077701752881... - _Harry J. Smith_, Jun 06 2009
%t RealDigits[N[Sqrt[54],200]][[1]] (* _Vladimir Joseph Stephan Orlovsky_, Feb 24 2011 *)
%o (PARI) { default(realprecision, 20080); x=sqrt(54); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b010507.txt", n, " ", d)); } \\ _Harry J. Smith_, Jun 06 2009
%Y Cf. A010140 (continued fraction). - _Harry J. Smith_, Jun 06 2009
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_
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