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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).
Table of n, a(n) for n=0..104.
Wikipedia, Golden spiral
RealDigits[2 Log[ GoldenRatio]/Pi, 10, 111][] (* Robert G. Wilson v, Oct 24 2014 *)
Cf. A001622, A212224.
Sequence in context: A120008 A162197 A160770 * A278085 A051021 A215664
Adjacent sequences: A212222 A212223 A212224 * A212226 A212227 A212228
Stanislav Sykora, May 06 2012