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A019921 Decimal expansion of tangent of 23 degrees. 1
4, 2, 4, 4, 7, 4, 8, 1, 6, 2, 0, 9, 6, 0, 4, 7, 4, 2, 0, 2, 3, 5, 3, 2, 0, 6, 2, 9, 4, 2, 5, 2, 0, 4, 0, 1, 0, 1, 8, 6, 5, 8, 6, 9, 8, 2, 4, 5, 0, 6, 0, 1, 1, 4, 0, 1, 0, 6, 7, 6, 2, 8, 2, 4, 5, 2, 7, 9, 8, 5, 3, 6, 6, 4, 5, 8, 1, 7, 7, 5, 8, 0, 6, 9, 0, 6, 9, 8, 5, 0, 3, 3, 4, 9, 5, 4, 0, 1, 6 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Also the decimal expansion of cotangent of 67 degrees. - Mohammad K. Azarian, Jun 30 2013

LINKS

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

MATHEMATICA

RealDigits[Tan[23 Degree], 10, 120][[1]] (* Harvey P. Dale, Apr 29 2018 *)

CROSSREFS

Sequence in context: A007400 A057696 A057697 * A204617 A061469 A222641

Adjacent sequences:  A019918 A019919 A019920 * A019922 A019923 A019924

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 4 05:34 EDT 2020. Contains 333212 sequences. (Running on oeis4.)