login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201943 Decimal expansion of x>0 satisfying x*cosh(x)=3. 2
1, 3, 9, 7, 6, 5, 8, 9, 7, 7, 4, 2, 2, 4, 3, 8, 0, 2, 0, 4, 4, 0, 3, 2, 5, 2, 0, 6, 5, 3, 0, 8, 3, 8, 9, 8, 3, 9, 7, 8, 9, 0, 1, 4, 6, 0, 1, 8, 9, 9, 0, 0, 8, 6, 9, 4, 8, 0, 0, 2, 8, 3, 7, 4, 6, 6, 2, 5, 8, 2, 0, 1, 3, 4, 1, 8, 7, 2, 7, 9, 8, 9, 1, 9, 0, 3, 3, 2, 0, 6, 2, 0, 1, 8, 7, 0, 2, 9, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A201939 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=1.3976589774224380204403252065308389839789...
MATHEMATICA
u = 1; v = 3;
f[x_] := x*Cosh[u*x]; g[x_] := v
Plot[{f[x], g[x]}, {x, 0, 2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.3, 1.4}, WorkingPrecision -> 110]
RealDigits[r] (* A201943 *)
CROSSREFS
Cf. A201939.
Sequence in context: A265298 A296475 A247003 * A358614 A201760 A046261
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 15 2011
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 14:13 EDT 2024. Contains 371254 sequences. (Running on oeis4.)