A019831 - OEIS

%I #19 Aug 21 2023 11:47:10

%S 3,7,4,6,0,6,5,9,3,4,1,5,9,1,2,0,3,5,4,1,4,9,6,3,7,7,4,5,0,1,1,9,5,1,

%T 3,1,0,0,0,1,5,8,9,2,2,2,5,3,6,7,6,1,7,4,1,0,3,4,4,0,3,7,1,0,3,3,3,5,

%U 8,6,1,4,3,6,6,0,8,5,2,1,8,9,5,8,6,3,5,7,3,6,2,2,2,4,8,5,2,2,9

%N Decimal expansion of sine of 22 degrees.

%C An algebraic number of degree 12 and denominator 2. - _Charles R Greathouse IV_, Aug 27 2017

%H Ivan Panchenko, <a href="/A019831/b019831.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Al#algebraic_12">Index entries for algebraic numbers, degree 12</a>

%F Equals 2*A019820*A019888. - _R. J. Mathar_, Jan 17 2021

%t RealDigits[Sin[22 Degree],10,120][[1]] (* _Harvey P. Dale_, Aug 10 2017 *)

%o (PARI) sin(11*Pi/90) \\ _Charles R Greathouse IV_, Aug 27 2017

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_