0,1

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

(PARI) sin(7*Pi/45) \\ Charles R Greathouse IV, Aug 27 2017

Sequence in context: A307036 A076418 A059910 * A132160 A021217 A103550

Adjacent sequences: A019834 A019835 A019836 * A019838 A019839 A019840

nonn,cons

N. J. A. Sloane.

approved