A245887 Decimal expansion of Gamma(-5/2), where Gamma is Euler's gamma function.

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

Offset

0,1

Comments

Also the weight factor for Hermite-Gauss quadrature of degree 5 corresponding to abscissa 0. - A.H.M. Smeets, Feb 19 2026

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000

Eric Weisstein's World of Mathematics, Gamma Function.

Wikipedia, Particular values of the gamma function.

Formula

Equals (-8/15)*sqrt(Pi).

Example

0.945308720482941881225689324448610764158693043265273135...

Mathematica

RealDigits[Gamma[-5/2], 10, 104] // First

Prog

(PARI) -gammah(-3) \\ G. C. Greubel, Apr 06 2017

Crossrefs

Cf. A019707, A245886.

Sequence in context: A393950 A380334 A062546 * A336603 A308226 A019880

Adjacent sequences: A245884 A245885 A245886 * A245888 A245889 A245890

Keyword

nonn,cons,easy

Author

Jean-François Alcover, Aug 05 2014

Status

approved