A198431 Decimal expansion of x>0 having x^2-3x=sin(x).

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

Offset

1,1

Comments

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

Links

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

Example

x=3.0350408224380488468671230709648237806015888...

Mathematica

a = 1; b = -3; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.2, 3.5}]
r = x /. FindRoot[f[x] == g[x], {x, 3.0, 3.1}, WorkingPrecision -> 110]
RealDigits[r] (* A198431 *)

Crossrefs

Cf. A198414.

Sequence in context: A222690 A222794 A127749 * A138188 A229704 A014715

Adjacent sequences: A198428 A198429 A198430 * A198432 A198433 A198434

Keyword

nonn,cons

Author

Clark Kimberling, Oct 25 2011

Status

approved