OFFSET
0,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..10000
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
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 23 2011
EXTENSIONS
Corrected by Harvey P. Dale, Jul 19 2015
STATUS
approved