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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

Table of n, a(n) for n=1..99.

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 * A201760 A046261 A074806

Adjacent sequences:  A201940 A201941 A201942 * A201944 A201945 A201946

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Dec 15 2011

STATUS

approved

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Last modified July 30 07:58 EDT 2021. Contains 346348 sequences. (Running on oeis4.)