OFFSET
1,1
EXAMPLE
arccos(-1/r) = 2.2370357592874118743353265876175441...
MATHEMATICA
(See A195692.)
RealDigits[ArcCos[-1/GoldenRatio], 10, 120][[1]] (* Harvey P. Dale, Jan 15 2012 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 22 2011
STATUS
approved