A019911 Decimal expansion of tangent of 13 degrees.

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

Offset

0,1

Comments

Also the decimal expansion of cotangent of 77 degrees. - Mohammad K. Azarian, Jun 30 2013

Links

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

Index entries for algebraic numbers, degree 24.

Mathematica

RealDigits[Tan[13 Degree], 10, 120][[1]] (* Harvey P. Dale, Apr 02 2018 *)

Prog

(PARI) tan(13*Pi/180) \\ Charles R Greathouse IV, Apr 30 2026

Crossrefs

Sequence in context: A171023 A120473 A395549 * A173344 A276994 A020823

Adjacent sequences: A019908 A019909 A019910 * A019912 A019913 A019914

Keyword

nonn,cons

Author

N. J. A. Sloane

Status

approved