A019840 Decimal expansion of sine of 31 degrees.

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

Offset

0,1

Comments

This sequence is also decimal expansion of cosine of 59 degrees. - Mohammad K. Azarian, Jun 29 2013

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

Prog

(PARI) sin(31*Pi/180) \\ Charles R Greathouse IV, Aug 27 2017

Crossrefs

Sequence in context: A231923 A105664 A094882 * A205109 A144432 A010686

Adjacent sequences: A019837 A019838 A019839 * A019841 A019842 A019843

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved