OFFSET
2,1
COMMENTS
The area enclosed by the outer boundary of the curve Cayley's sextic whose equation in polar coordinates is r(theta) = 4*cos(theta/3)^3. - Amiram Eldar, Jun 13 2023
LINKS
Eric Weisstein's World of Mathematics, Cayley's Sextic.
Wikipedia, Cayley's sextic.
EXAMPLE
23.502191902008914013...
MATHEMATICA
RealDigits[(9*Sqrt[3])/2+5*Pi, 10, 120][[1]] (* Harvey P. Dale, Feb 28 2013 *)
PROG
(PARI) 9*sqrt(3)/2 + 5*Pi \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Apr 22 2006
STATUS
approved