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A249539 Decimal expansion of 12/sqrt(Pi), the average perimeter of a random Gaussian triangle in three dimensions. 1
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 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

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

Eric Weisstein's MathWorld, Gaussian Triangle Picking

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 A201753

Adjacent sequences:  A249536 A249537 A249538 * A249540 A249541 A249542

KEYWORD

nonn,cons,easy

AUTHOR

Jean-Fran├žois Alcover, Oct 31 2014

STATUS

approved

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Last modified October 26 17:38 EDT 2021. Contains 348268 sequences. (Running on oeis4.)