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A261509
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Decimal expansion of -Gamma'''(1).
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3
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5, 4, 4, 4, 8, 7, 4, 4, 5, 6, 4, 8, 5, 3, 1, 7, 7, 3, 4, 0, 9, 9, 3, 6, 1, 0, 0, 4, 1, 3, 7, 6, 5, 0, 6, 8, 9, 5, 7, 1, 6, 6, 8, 6, 9, 4, 4, 3, 5, 3, 8, 2, 5, 6, 5, 6, 4, 7, 9, 8, 6, 9, 2, 4, 3, 0, 2, 7, 9, 1, 0, 9, 4, 2, 3, 3, 3, 8, 4, 1, 6, 3, 9, 0, 3, 2, 5, 1, 6, 4, 4, 6, 8, 1, 7, 7, 8, 6, 3, 3, 0, 0, 9, 2, 9
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OFFSET
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1,1
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LINKS
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FORMULA
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Equals gamma^3 + gamma*Pi^2/2 + 2*zeta(3).
Equals -Integral_{x=0..oo} exp(-x)*log(x)^3 dx. (End)
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EXAMPLE
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5.4448744564853177340993610041376506895716686944353825656479...
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MATHEMATICA
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RealDigits[EulerGamma^3 + (EulerGamma*Pi^2)/2 + 2*Zeta[3], 10, 120][[1]]
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PROG
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(PARI) default(realprecision, 100); Euler^3 + Euler*Pi^2/2 + 2*zeta(3) \\ G. C. Greubel, Aug 30 2018
(Magma) SetDefaultRealField(RealField(100)); R:= RealField(); L:=RiemannZeta(); EulerGamma(R)^3 + (EulerGamma(R)*Pi(R)^2)/2 + 2*Evaluate(L, 3); // G. C. Greubel, Aug 30 2018
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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