A019689 Decimal expansion of Pi/22.

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

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Examples

			0.14279966607226332902102924469452285837259860906250481004431566328671892....
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 0..999
• Index entries for transcendental numbers

Crossrefs

Cf. A000796.

Programs

Mathematica

RealDigits[N[Pi/22,6! ]] (*Vladimir Joseph Stephan Orlovsky, Dec 02 2009 *)

PARI

Pi/22 \\ Charles R Greathouse IV, Oct 01 2022

Formula

Equals (1/10) * Sum_{k>=1} sin(k*Pi/11)/k. - Amiram Eldar, May 30 2021