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 A212879 Decimal expansion of the absolute value of i!. 4
 5, 2, 1, 5, 6, 4, 0, 4, 6, 8, 6, 4, 9, 3, 9, 8, 4, 1, 1, 5, 8, 1, 8, 0, 2, 6, 9, 6, 2, 8, 1, 9, 0, 0, 5, 3, 8, 5, 6, 4, 0, 5, 6, 7, 8, 2, 7, 7, 8, 9, 5, 6, 3, 1, 9, 2, 5, 5, 6, 8, 1, 2, 2, 4, 4, 4, 2, 4, 8, 6, 9, 5, 2, 3, 6, 2, 2, 8, 0, 8, 1, 6, 5, 4, 1, 1, 2, 7, 4, 9, 3, 6, 6, 7, 5, 2, 4, 1, 0, 9, 6, 6, 5, 3, 7 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Also absolute value of Gamma(i). LINKS G. C. Greubel, Table of n, a(n) for n = 0..5000 FORMULA abs(Gamma(i)), since i! = Gamma(1+i) = i*Gamma(i). a(n) ~ sqrt(Pi/sinh(Pi)). - Vaclav Kotesovec, Dec 10 2015 EXAMPLE 0.5215640468649398411581802696... MATHEMATICA N[Sqrt[Pi/Sinh[Pi]], 103] (* Vaclav Kotesovec, Dec 10 2015 *) PROG (PARI) abs(gamma(I)) CROSSREFS A090986, A212877 (real(i!)), A212878 (-imag(i!)), A212880 (-arg(i!)). Sequence in context: A266455 A091505 A030357 * A276524 A111395 A188596 Adjacent sequences:  A212876 A212877 A212878 * A212880 A212881 A212882 KEYWORD nonn,cons,easy AUTHOR Stanislav Sykora, May 29 2012 STATUS approved

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Last modified August 20 12:41 EDT 2018. Contains 313917 sequences. (Running on oeis4.)