OFFSET
0,1
FORMULA
Equals Sum_{k>=0} sin(2k*Pi/3)/2^k.
EXAMPLE
0.247435829652696756218206620215124623848972...
MATHEMATICA
s = Sum[Sin[2 k Pi/3]/2^k, {k, 0, Infinity}]
d = N[s, 100]
First[RealDigits[d]]
N[ Sqrt[3]/7, 100]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 22 2024
STATUS
approved