OFFSET
0,1
LINKS
Eric Weisstein's World of Mathematics, BBP Formula.
FORMULA
Equals 2*log(3) - 4*arccot(2).
Equals (1/3)*Hypergeometric2F1(1, 3/4, 7/4, 1/16).
Equals Sum_{k>=0} (1/16)^k/(4*k+3).
EXAMPLE
0.342634141332994917933465548000193801180832898501017848225656312394197...
MATHEMATICA
First[RealDigits[2Log[3] - 4ArcCot[2], 10, 100]]
PROG
(PARI) 2*log(3) - 4*atan(1/2) \\ Michel Marcus, Jan 16 2021
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Artur Jasinski, Oct 25 2008
EXTENSIONS
Leading zero removed, offset adjusted by R. J. Mathar, Feb 05 2009
STATUS
approved