

A199050


Decimal expansion of x<0 satisfying x^2+2*sin(x)=3.


3



2, 1, 5, 9, 4, 7, 8, 2, 9, 6, 9, 7, 4, 1, 1, 6, 0, 1, 8, 2, 6, 8, 9, 2, 3, 8, 7, 8, 5, 2, 4, 6, 8, 9, 0, 0, 9, 2, 9, 0, 4, 7, 3, 6, 2, 4, 8, 0, 8, 4, 3, 6, 6, 7, 3, 1, 0, 5, 5, 8, 9, 2, 8, 8, 0, 1, 0, 2, 8, 9, 1, 3, 3, 4, 9, 1, 8, 2, 7, 5, 7, 1, 4, 6, 3, 4, 1, 3, 1, 8, 3, 7, 0, 2, 2, 1, 5, 6, 4
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

See A198866 for a guide to related sequences. The Mathematica program includes a graph.


LINKS

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


EXAMPLE

negative: 2.159478296974116018268923878524689009...
positive: 1.1024409927824745029005123269585791156...


MATHEMATICA

a = 1; b = 2; c = 3;
f[x_] := a*x^2 + b*Sin[x]; g[x_] := c
Plot[{f[x], g[x]}, {x, 3, 2}, {AxesOrigin > {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 2.2, 2.1}, WorkingPrecision > 110]
RealDigits[r] (* A199050 *)
r = x /. FindRoot[f[x] == g[x], {x, 1.1, 1.2}, WorkingPrecision > 110]
RealDigits[r](* A199051 *)


CROSSREFS

Cf. A198866.
Sequence in context: A026078 A349635 A176665 * A306539 A193629 A021467
Adjacent sequences: A199047 A199048 A199049 * A199051 A199052 A199053


KEYWORD

nonn,cons


AUTHOR

Clark Kimberling, Nov 02 2011


STATUS

approved



