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A019697
Decimal expansion of 2*Pi/11.
1
5, 7, 1, 1, 9, 8, 6, 6, 4, 2, 8, 9, 0, 5, 3, 3, 1, 6, 0, 8, 4, 1, 1, 6, 9, 7, 8, 7, 7, 8, 0, 9, 1, 4, 3, 3, 4, 9, 0, 3, 9, 4, 4, 3, 6, 2, 5, 0, 0, 1, 9, 2, 4, 0, 1, 7, 7, 2, 6, 2, 6, 5, 3, 1, 4, 6, 8, 7, 5, 7, 1, 0, 2, 3, 3, 8, 5, 6, 1, 8, 1, 5, 6, 8, 7, 3, 3, 6, 0, 4, 6, 0, 7, 6, 5, 7, 6, 4, 8
OFFSET
0,1
COMMENTS
The famous rose window of the Troia cathedral in Apulia, Italy, consists of eleven columns that radiate from the center with unusual angles 2Pi/11 = 32.72... °. - Jean-François Alcover, May 25 2015
MATHEMATICA
RealDigits[(2Pi)/11, 10, 120][[1]] (* Harvey P. Dale, Apr 20 2013 *)
PROG
(PARI) 2*Pi/11 \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
Equals twice A019678.
Sequence in context: A329346 A258716 A195300 * A217173 A246952 A323386
KEYWORD
nonn,cons
AUTHOR
STATUS
approved