OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
Eric Weisstein's MathWorld, Gamma Function.
Wikipedia, Particular values of the Gamma function.
FORMULA
Equals (3/4)*sqrt(Pi) = (3/2)*A019704.
Equals Sum_{k>=1} (k+1/2)!/(k+2)!. - Amiram Eldar, Jun 19 2023
Equals Integral_{x=0..oo} exp(-x^(2/3)) dx. - Ilya Gutkovskiy, Apr 10 2024
EXAMPLE
1.32934038817913702047362561250585888709816209209179034616...
MATHEMATICA
RealDigits[Gamma[5/2], 10, 100] // First
PROG
(PARI) gammah(2) \\ Michel Marcus, Feb 11 2016
CROSSREFS
KEYWORD
AUTHOR
Jean-François Alcover, Aug 05 2014
STATUS
approved