OFFSET
0,1
COMMENTS
In polar coordinates (r,theta), a golden spiral equation is r~E^(c*theta), where c is this constant, with phi being the golden ratio (A001622).
LINKS
Wikipedia, Golden spiral
EXAMPLE
0.3063489625300331221156757...
MATHEMATICA
RealDigits[2 Log[ GoldenRatio]/Pi, 10, 111][[1]] (* Robert G. Wilson v, Oct 24 2014 *)
CROSSREFS
KEYWORD
AUTHOR
Stanislav Sykora, May 06 2012
STATUS
approved