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A202283 Decimal expansion of x>0 satisfying x*cosh(2x)=2. 2
7, 9, 0, 1, 5, 0, 2, 6, 1, 3, 9, 4, 7, 1, 6, 4, 3, 9, 1, 6, 1, 7, 6, 8, 8, 4, 8, 5, 4, 4, 2, 2, 1, 7, 1, 2, 3, 9, 6, 1, 8, 8, 5, 2, 2, 0, 4, 0, 4, 8, 4, 8, 7, 0, 8, 0, 0, 3, 7, 3, 8, 9, 0, 7, 8, 5, 9, 1, 6, 4, 9, 4, 6, 9, 3, 5, 4, 1, 5, 5, 5, 2, 7, 6, 3, 4, 4, 8, 3, 0, 7, 1, 6, 3, 0, 8, 1, 2, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A201939 for a guide to related sequences.  The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=0..98.

EXAMPLE

x=0.79015026139471643916176884854422171239618...

MATHEMATICA

u = 2; v = 2;

f[x_] := x*Cosh[u*x]; g[x_] := v

Plot[{f[x], g[x]}, {x, 0, 1}, {AxesOrigin -> {0, 0}}]

r = x /. FindRoot[f[x] == g[x], {x, .7, .8}, WorkingPrecision -> 110]

RealDigits[r]   (* A202283 *)

CROSSREFS

Cf. A201939.

Sequence in context: A226487 A328110 A298740 * A322092 A104757 A199392

Adjacent sequences:  A202280 A202281 A202282 * A202284 A202285 A202286

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Dec 15 2011

STATUS

approved

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Last modified November 20 02:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)