A249538 Decimal expansion of 3*sqrt(Pi), the average perimeter of a random Gaussian triangle in two dimensions.

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

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

5.317361552716548081894502450023435548392648368367161...

Mathematica

RealDigits[3*Sqrt[Pi], 10, 105] // First

Prog

(PARI) 3*sqrt(Pi) \\ G. C. Greubel, Jan 09 2017

Crossrefs

Cf. A002161 (average side length in two dimensions), A102556, A102557.

Sequence in context: A373672 A179975 A019926 * A322932 A259619 A111498

Adjacent sequences: A249535 A249536 A249537 * A249539 A249540 A249541

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Oct 31 2014

Status

approved