A161013 Decimal expansion of tan(1/4).

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

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

0.255341921221036266504482236490473678204201638800822621740475650258883...

Mathematica

RealDigits[Tan[1/4], 10, 120][[1]] (* Harvey P. Dale, May 23 2019 *)

Prog

(PARI) default(realprecision, 20080); x=10*tan(1/4); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b161013.txt", n, " ", d));

Crossrefs

Cf. A019427 Continued fraction.

Sequence in context: A153821 A153879 A074250 * A115522 A362138 A190283

Adjacent sequences: A161010 A161011 A161012 * A161014 A161015 A161016

Keyword

cons,nonn

Author

Harry J. Smith, Jun 13 2009

Status

approved