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

0,2

Links

Ivan Panchenko, Table of n, a(n) for n = 0..999

Index entries for transcendental numbers

Formula

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

Example

0.14279966607226332902102924469452285837259860906250481004431566328671892....

Mathematica

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

Prog

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

Crossrefs

Cf. A000796.

Sequence in context: A049817 A203575 A120871 * A332651 A072009 A257502

Adjacent sequences: A019686 A019687 A019688 * A019690 A019691 A019692

Keyword

nonn,cons

Author

N. J. A. Sloane.

Status

approved