A199373 Decimal expansion of x>0 satisfying x^2+2*x*sin(x)=1.

5, 8, 8, 5, 9, 1, 4, 1, 0, 8, 1, 7, 1, 5, 4, 5, 0, 6, 4, 3, 1, 7, 7, 3, 6, 2, 3, 7, 1, 2, 7, 8, 6, 7, 0, 5, 4, 4, 1, 7, 7, 2, 9, 6, 6, 5, 6, 1, 2, 7, 9, 9, 0, 6, 4, 8, 0, 6, 0, 5, 9, 6, 1, 9, 5, 6, 4, 5, 9, 4, 8, 1, 3, 4, 2, 1, 9, 5, 0, 8, 3, 2, 0, 1, 2, 6, 3, 1, 4, 5, 2, 9, 6, 9, 4, 7, 6, 5, 9

Offset

0,1

Comments

See A199370 for a guide to related sequences. The Mathematica program includes a graph.

Links

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

Example

x=0.58859141081715450643177362371278670544...

Mathematica

a = 1; b = 2; c = 1;
f[x_] := a*x^2 + b*x*Sin[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, -1, Pi}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .58, .59}, WorkingPrecision -> 110]
RealDigits[r]  (* A199373 *)

Crossrefs

Cf. A199370.

Sequence in context: A068470 A069997 A361059 * A247037 A265274 A365523

Adjacent sequences: A199370 A199371 A199372 * A199374 A199375 A199376

Keyword

nonn,cons

Author

Clark Kimberling, Nov 05 2011

Status

approved