A249522 Decimal expansion of the expected product of two sides of a random Gaussian triangle in three dimensions.

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, 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, 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

Offset

1,1

Links

Table of n, a(n) for n=1..103.

Steven R. Finch, Random Triangles, January 21, 2010. [Cached copy, with permission of the author]

Eric Weisstein MathWorld, Gaussian Triangle Picking

Formula

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

Example

5.3079733725307522970679589898778166483843188821998439167961...

Mathematica

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

Crossrefs

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

Sequence in context: A365075 A200126 A065469 * A243381 A282887 A265729

Adjacent sequences: A249519 A249520 A249521 * A249523 A249524 A249525

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Oct 31 2014

Status

approved