A203128 Decimal expansion of (5/8)! = Gamma(13/8).
8, 9, 6, 5, 7, 4, 2, 8, 0, 0, 5, 6, 5, 9, 7, 9, 8, 4, 7, 7, 2, 5, 1, 2, 3, 3, 7, 1, 6, 0, 2, 6, 4, 4, 6, 0, 3, 9, 5, 1, 2, 9, 8, 5, 7, 6, 2, 9, 1, 6, 7, 0, 8, 1, 7, 3, 1, 6, 7, 4, 9, 1, 1, 3, 0, 9, 4, 3, 3, 8, 7, 3, 3, 1, 3, 8, 1, 0, 5, 7, 1, 6, 4, 4, 3, 4, 8, 1, 0, 4, 0, 7, 8, 5, 2, 0, 1, 8, 3
Offset: 0
Examples
.89657428005659798477251233716026446039512985762916708173167...
Programs
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Mathematica
RealDigits[(5/8)!,10,120][[1]] (* Harvey P. Dale, Jul 30 2019 *)
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PARI
gamma(13/8) \\ Charles R Greathouse IV, Mar 25 2014
Formula
Equals 5*A203144/8. - R. J. Mathar, Jan 15 2021
Equals Integral_{x=0..oo} exp(-x^(8/5)) dx. - Ilya Gutkovskiy, Apr 10 2024