OFFSET
1,3
COMMENTS
This number is the least x>0 for which there exists a constant c such that the graph of y=cos(x) is tangent to the graph of the hyperbola y=(1/x)-c, as indicated by the graph in the Mathematica program.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
EXAMPLE
x = 1.0682235441972490182834711142630928984689...
MATHEMATICA
PROG
(PARI) a=1; c=0; solve(x=1, 1.5, a*x^2 + c - 1/sin(x)) \\ G. C. Greubel, Aug 22 2018
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 05 2011
EXTENSIONS
Terms a(88) onward corrected by G. C. Greubel, Aug 22 2018
STATUS
approved