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A195714 Decimal expansion of arctan((1/2)^(1/3)). 2
6, 7, 0, 8, 8, 7, 9, 7, 8, 7, 1, 2, 5, 1, 5, 2, 2, 9, 6, 5, 7, 6, 0, 4, 2, 3, 8, 1, 8, 7, 2, 2, 2, 3, 4, 8, 1, 2, 5, 9, 1, 7, 5, 4, 5, 7, 6, 9, 6, 0, 8, 5, 9, 6, 1, 0, 6, 6, 2, 7, 9, 1, 6, 4, 6, 2, 5, 0, 8, 9, 4, 1, 9, 9, 7, 2, 4, 7, 5, 2, 8, 6, 4, 9, 1, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
EXAMPLE
arctan((1/2)^(1/3)) = 0.67088797871251...
MATHEMATICA
r = (1/2)^(1/3);
N[ArcTan[r], 100]
RealDigits[%] (* A195714 *)
RealDigits[ArcTan[Surd[1/2, 3]], 10, 120][[1]] (* Harvey P. Dale, Jul 19 2015 *)
PROG
(PARI) atan((1/2)^(1/3)) \\ G. C. Greubel, Aug 20 2018
(Magma) SetDefaultRealField(RealField(100)); Arctan((1/2)^(1/3)); // G. C. Greubel, Aug 20 2018
CROSSREFS
Cf. A195712.
Sequence in context: A198932 A010499 A218012 * A247043 A019734 A273633
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 23 2011
EXTENSIONS
Corrected by Harvey P. Dale, Jul 19 2015
STATUS
approved

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Last modified May 23 14:49 EDT 2024. Contains 372763 sequences. (Running on oeis4.)