OFFSET
0,3
FORMULA
Equals Sum_{k>=0} sin(5k*Pi/6)/2^k.
EXAMPLE
0.11814602960478810868808517822986578970110...
MATHEMATICA
s = Sum[Sin[5 k Pi/6]/2^k, {k, 0, Infinity}]
d = N[s, 100]
First[RealDigits[d]]
N[1/(5 + 2 Sqrt[3]), 100]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Jul 22 2024
STATUS
approved