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A161014 Decimal expansion of tan(1/5). 2
2, 0, 2, 7, 1, 0, 0, 3, 5, 5, 0, 8, 6, 7, 2, 4, 8, 3, 3, 2, 1, 3, 5, 8, 2, 7, 1, 6, 4, 7, 5, 3, 4, 4, 8, 2, 6, 2, 6, 8, 7, 5, 6, 6, 9, 6, 5, 1, 6, 3, 1, 3, 3, 0, 0, 4, 7, 8, 1, 9, 9, 6, 6, 8, 9, 0, 3, 8, 2, 1, 8, 5, 0, 0, 1, 9, 9, 9, 7, 0, 0, 0, 9, 1, 1, 7, 3, 9, 0, 0, 8, 9, 2, 6, 2, 1, 4, 4, 2, 7, 2, 3, 0, 4, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

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

0.202710035508672483321358271647534482626875669651631330047819966890382...

PROG

(PARI) default(realprecision, 20080); x=10*tan(1/5); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b161014.txt", n, " ", d));

CROSSREFS

Cf. A019428 Continued fraction.

Sequence in context: A081081 A111111 A185343 * A235712 A154852 A088996

Adjacent sequences:  A161011 A161012 A161013 * A161015 A161016 A161017

KEYWORD

cons,nonn

AUTHOR

Harry J. Smith, Jun 13 2009

STATUS

approved

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Last modified June 17 19:10 EDT 2019. Contains 324198 sequences. (Running on oeis4.)