A019822 Decimal expansion of sine of 13 degrees.

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

Offset

0,1

Comments

An algebraic number of degree 48 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 48

Formula

Equals A019821 * A019898 + A019810 * A019887. - R. J. Mathar, Jan 27 2021

Mathematica

RealDigits[Sin[13 Degree], 10, 120][[1]] (* Harvey P. Dale, Sep 29 2013 *)

Prog

(PARI) sin(13*Pi/180) \\ Charles R Greathouse IV, Aug 27 2017

Crossrefs

Sequence in context: A280961 A280362 A241130 * A322765 A281605 A199499

Adjacent sequences: A019819 A019820 A019821 * A019823 A019824 A019825

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved