A190575 Decimal expansion of exp(Pi*sqrt(163)/3).
6, 4, 0, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 4, 8, 6, 3, 7, 3, 5, 0, 4, 9, 0, 1, 6, 0, 3, 9, 4, 7, 1, 7, 4, 1, 8, 1, 8, 8, 1, 8, 5, 3, 9, 4, 7, 5, 7, 7, 1, 4, 8, 5, 7, 6, 0, 3, 6, 6, 5, 9, 1, 8, 1, 9, 4, 6, 5, 2, 2, 1, 8, 2, 5, 8, 2, 8, 6, 9, 4, 2, 5, 3, 6, 3, 4, 0, 8, 1, 5, 8, 2, 2, 6, 4
Offset: 6
Examples
640320.00000000060486373504901603947174181881853947577148576...
References
- J. M. Borwein, D. H. Bailey and R. Girgensohn, Experimentation in Mathematics, A K Peters, Ltd., Natick, MA, 2004. x+357 pp. See p. 128.
Crossrefs
Cf. A190574.
Programs
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Mathematica
RealDigits[Exp[(Pi Sqrt[163])/3],10,120][[1]] (* Harvey P. Dale, Jan 21 2019 *)
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PARI
default(realprecision,1000); first(n)=digits(floor(10^(n-6)*exp(Pi*sqrt(163)/3))) \\ Edward Jiang, Sep 07 2014
Formula
Equals cube root of A060295. - Michel Marcus, Sep 08 2014