0,1

This sequence is also the decimal expansion of the cosine of 58 degrees. - Mohammad K. Azarian, Jun 29 2013

An algebraic number of degree 24 and denominator 2. - Charles R Greathouse IV, Aug 27 2017

Ivan Panchenko, Table of n, a(n) for n = 0..1000

Equals 2*A019825*A019883. - R. J. Mathar, Jan 17 2021

0.52991926...

RealDigits[Sin[32 Degree], 10, 120][[1]] (* Harvey P. Dale, Mar 16 2019 *)

(PARI) sin(8*Pi/45) \\ Charles R Greathouse IV, Aug 27 2017

Sequence in context: A097897 A063761 A255899 * A064582 A197374 A119946

Adjacent sequences: A019838 A019839 A019840 * A019842 A019843 A019844

nonn,cons

N. J. A. Sloane

approved