A087017 Decimal expansion of G(5/2) where G is the Barnes G-function.

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

Offset: 0

Author

Eric W. Weisstein, Jul 30 2003

Keywords

• nonn
• cons

Examples

			0.94757...
		

Links

• Eric Weisstein's World of Mathematics, Barnes G-Function
• Wikipedia, Barnes G-function

Crossrefs

Cf. A087013, A087014, A087015, A087016.

Programs

Mathematica

(E^(1/8)*Pi^(3/4))/(2^(23/24)*Glaisher^(3/2))
(* Or, since version 7.0, *) RealDigits[BarnesG[5/2], 10, 102] // First (* Jean-François Alcover, Jul 11 2014 *)

PARI

Pi^(3/4)*exp(3/2*zeta'(-1))/2^(23/24) \\ Charles R Greathouse IV, Dec 12 2013

Formula

Equals A087016 * A019704. - R. J. Mathar, Jul 24 2025