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%I #15 Mar 02 2015 04:12:03
%S 4,0,8,0,2,6,2,4,6,3,8,0,3,7,5,2,7,1,0,1,6,9,8,8,4,1,3,3,9,1,2,4,7,4,
%T 7,5,3,0,7,0,6,7,6,0,8,8,3,7,4,3,3,3,2,0,7,3,7,9,8,9,9,2,4,9,1,4,9,7,
%U 9,9,8,9,5,1,1,4,8,5,3,6,5,9,8,1,0,4,4,6,6,7,2,9,8,0,0,6,8,2,5,2
%N Decimal expansion of the dimensionless coefficient of Stefan-Boltzmann constant.
%C Equals integral_{0..infinity} 2*Pi*x^3/(e^x-1) dx.
%H David Broadhurst, <a href="http://arxiv.org/abs/1004.4238">Feynman’s sunshine numbers</a>, arXiv:1004.4238 [physics.pop-ph] p. 6.
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Stefan%E2%80%93Boltzmann_constant">Stefan-Boltzmann constant</a>
%e 40.802624638...
%t RealDigits[2*Pi^5/15, 10, 100] // First
%K nonn,cons
%O 2,1
%A _Jean-François Alcover_, Feb 26 2013
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