A019831 Decimal expansion of sine of 22 degrees.

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, 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, 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

Offset

0,1

Comments

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Aug 27 2017

Links

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

Index entries for algebraic numbers, degree 12

Formula

Equals 2*A019820*A019888. - R. J. Mathar, Jan 17 2021

Mathematica

RealDigits[Sin[22 Degree], 10, 120][[1]] (* Harvey P. Dale, Aug 10 2017 *)

Prog

(PARI) sin(11*Pi/90) \\ Charles R Greathouse IV, Aug 27 2017

Crossrefs

Sequence in context: A021271 A238274 A094689 * A199733 A193625 A198886

Adjacent sequences: A019828 A019829 A019830 * A019832 A019833 A019834

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved