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A019978 Decimal expansion of tangent of 80 degrees. 1
5, 6, 7, 1, 2, 8, 1, 8, 1, 9, 6, 1, 7, 7, 0, 9, 5, 3, 0, 9, 9, 4, 4, 1, 8, 4, 3, 9, 8, 6, 3, 9, 6, 4, 4, 2, 1, 6, 2, 5, 3, 7, 8, 2, 6, 0, 6, 8, 9, 7, 5, 0, 3, 0, 3, 2, 1, 5, 9, 0, 9, 9, 8, 8, 8, 7, 5, 2, 4, 3, 4, 1, 6, 6, 8, 0, 9, 4, 4, 9, 9, 4, 1, 7, 9, 8, 5, 9, 8, 2, 6, 9, 8, 1, 7, 2, 8, 1, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Ivan Panchenko, Table of n, a(n) for n = 1..1000

MATHEMATICA

RealDigits[Tan[80 Degree], 10, 120][[1]] (* Harvey P. Dale, Jan 04 2013 *)

CROSSREFS

Sequence in context: A081820 A306324 A214681 * A030178 A038458 A284361

Adjacent sequences:  A019975 A019976 A019977 * A019979 A019980 A019981

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 20 22:44 EDT 2019. Contains 328291 sequences. (Running on oeis4.)