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A161016 Decimal expansion of tan(1/7). 2
1, 4, 3, 8, 3, 6, 9, 5, 9, 4, 3, 6, 1, 9, 0, 9, 3, 5, 2, 8, 0, 0, 3, 0, 5, 9, 9, 1, 3, 5, 6, 2, 3, 3, 4, 4, 9, 8, 7, 5, 6, 8, 1, 6, 9, 6, 7, 3, 8, 8, 8, 5, 3, 9, 3, 3, 0, 8, 7, 1, 0, 0, 1, 6, 5, 3, 1, 8, 6, 4, 4, 4, 9, 9, 4, 6, 1, 4, 5, 3, 6, 3, 4, 8, 4, 9, 8, 7, 3, 6, 8, 3, 9, 2, 6, 8, 2, 6, 8, 4, 3, 9, 5, 4, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

By the Lindemann-Weierstrass theorem, this constant is transcendental. - Charles R Greathouse IV, May 13 2019

LINKS

Harry J. Smith, Table of n, a(n) for n = 0..20000

Index entries for transcendental numbers

EXAMPLE

0.143836959436190935280030599135623344987568169673888539330871001653186...

MATHEMATICA

RealDigits[Tan[1/7], 10, 120][[1]] (* Harvey P. Dale, Dec 11 2016 *)

PROG

(PARI) default(realprecision, 20080); x=10*tan(1/7); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b161016.txt", n, " ", d));

CROSSREFS

Cf. A019430 Continued fraction.

Sequence in context: A065628 A077589 A114941 * A019835 A200345 A021962

Adjacent sequences:  A161013 A161014 A161015 * A161017 A161018 A161019

KEYWORD

cons,nonn

AUTHOR

Harry J. Smith, Jun 14 2009

STATUS

approved

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Last modified June 26 20:30 EDT 2019. Contains 324380 sequences. (Running on oeis4.)