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%I #8 Sep 28 2022 14:03:11
%S 4,7,2,4,7,6,5,9,7,0,3,3,1,4,0,1,1,6,9,5,9,6,3,9,0,8,6,7,3,6,7,8,3,1,
%T 6,4,9,8,6,2,9,0,1,1,1,4,8,0,1,5,4,0,2,2,0,0,6,0,1,2,0,0,9,2,0,0,8,5,
%U 9,3,5,1,1,2,3,2,8,6,9,4,9,1,4,3,8,7,3,5,3,9,5,4,4,4,2,4,9,3,2,4,6,5,2,2,0
%N Decimal expansion of 16*Pi^3/105.
%C Volume of the 7-dimensional unit sphere.
%H G. C. Greubel, <a href="/A164106/b164106.txt">Table of n, a(n) for n = 1..10000</a>
%H Eric Weisstein, <a href="http://mathworld.wolfram.com/Hypersphere.html">Hypersphere</a>, Wolfram Mathworld.
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Hypersphere">Hypersphere</a>
%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F Equals 16*A091925/105 = A164107/7 .
%e Equals 4.72476597033140116959639086736783164986290111...
%t RealDigits[16*Pi^3/105, 10, 100][[1]] (* _G. C. Greubel_, Apr 09 2017 *)
%o (PARI) 16*Pi^3/105 \\ _G. C. Greubel_, Apr 09 2017
%Y Cf. A000796, A019699, A102753, A164103, A164105, A164108.
%K cons,nonn
%O 1,1
%A _R. J. Mathar_, Aug 10 2009
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