A249539 Decimal expansion of 12/sqrt(Pi), the average perimeter of a random Gaussian triangle in three dimensions.

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

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..5000

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

Eric Weisstein's MathWorld, Gaussian Triangle Picking

Index entries for transcendental numbers

Example

6.770275002573075443376953418729271030128607551947986282129...

Mathematica

RealDigits[12/Sqrt[Pi], 10, 105] // First

Prog

(PARI) 12/sqrt(Pi) \\ Charles R Greathouse IV, Apr 20 2016

Crossrefs

Cf. A102519, A102520, A102558, A102559, A249521 (average side length in three dimensions), A249538 (average perimeter in two dimensions).

Sequence in context: A115096 A132957 A339135 * A139726 A200095 A359106

Adjacent sequences: A249536 A249537 A249538 * A249540 A249541 A249542

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Oct 31 2014

Status

approved