A249522 - OEIS

%I #10 Jun 06 2017 10:31:32

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

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

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

%N Decimal expansion of the expected product of two sides of a random Gaussian triangle in three dimensions.

%H Steven R. Finch, <a href="/A102519/a102519.pdf">Random Triangles</a>, January 21, 2010. [Cached copy, with permission of the author]

%H Eric Weisstein MathWorld, <a href="http://mathworld.wolfram.com/GaussianTrianglePicking.html">Gaussian Triangle Picking</a>

%F p = 2 + 6*sqrt(3)/Pi.

%e 5.3079733725307522970679589898778166483843188821998439167961...

%t p = 2 + 6*Sqrt[3]/Pi; RealDigits[p, 10, 104] // First

%Y Cf. A102519, A102520, A102556, A102557, A102558, A102559, A249491, A249521.

%K nonn,cons,easy

%O 1,1

%A _Jean-François Alcover_, Oct 31 2014