%I #7 Jun 01 2017 14:49:06
%S 4,2,1,7,5,3,9,3,4,6,4,8,4,2,6,8,2,4,2,3,8,1,2,2,9,5,8,5,9,2,7,7,3,0,
%T 5,9,1,0,7,7,1,0,6,3,3,2,8,3,0,6,4,3,5,1,5,6,3,3,9,3,5,9,0,1,1,1,2,1,
%U 4,4,3,9,2,0,4,1,2,7,9,4,2,6,9,3,6,5,7,1,7,3,7,2,4,8,4,4,9,0,2,1,2,3
%N Decimal expansion of the logarithmic capacity of the unit equilateral triangle.
%D Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 4.9 Integer Chebyshev constants, p. 268.
%H Steven Finch, <a href="/A249205/a249205.pdf">Electrical capacitance</a> [Cached copy, with permission of the author]
%F k = (sqrt(3)/(8*Pi^2))*Gamma(1/3)^3.
%e 0.421753934648426824238122958592773059107710633283...
%t k = (Sqrt[3]/(8*Pi^2))*Gamma[1/3]^3; RealDigits[k, 10, 102] // First
%Y Cf. A073005, A249205, A249220.
%K nonn,cons,easy
%O 0,1
%A _Jean-François Alcover_, Oct 23 2014