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
LINKS
Ivan Panchenko, Table of n, a(n) for n = 0..1000
Wikipedia, Troia Cathedral
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
KEYWORD
nonn,cons
AUTHOR
STATUS
approved