OFFSET
0,1
COMMENTS
Also the real part of i^(1/6). - Stanislav Sykora, Apr 25 2012
Length of one side of the new Type 15 Convex Pentagon. - Michel Marcus, Aug 04 2015
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Casey Mann et al, Type 15 Convex Pentagon, Jul 29 2015.
FORMULA
EXAMPLE
0.96592582628906828674974319972889736763390483900840455040234307631042...
MATHEMATICA
RealDigits[Sin[75 Degree], 10, 100][[1]] (* Vincenzo Librandi, Aug 11 2014 *)
PROG
(PARI) cos(Pi/12) \\ Charles R Greathouse IV, Apr 25 2012
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved