A161019 Decimal expansion of tan(1/10).

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

Offset: 0

Author

Harry J. Smith, Jun 14 2009

Keywords

• cons
• nonn

Comments

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

Examples

			0.100334672085450545058080045781111536819004804576442040022208065798032...
		

Links

• Harry J. Smith, Table of n, a(n) for n = 0..20000
• Index entries for transcendental numbers.

Crossrefs

Cf. A019433 (continued fraction).

Programs

Mathematica

RealDigits[Tan[1/10], 10, 120][[1]] (* Amiram Eldar, Jun 27 2023 *)

PARI

default(realprecision, 20080); x=10*tan(1/10); for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b161019.txt", n, " ", d));