login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A198543 Decimal expansion of x>0 having 4*x^2+3x=4*sin(x). 2
2, 4, 0, 3, 9, 6, 0, 8, 0, 1, 4, 4, 3, 6, 5, 3, 9, 5, 9, 1, 3, 2, 3, 7, 1, 7, 6, 6, 1, 7, 0, 7, 7, 6, 9, 9, 7, 1, 7, 6, 5, 5, 9, 0, 7, 4, 4, 3, 4, 4, 0, 7, 7, 2, 0, 4, 5, 0, 5, 7, 3, 9, 4, 9, 4, 8, 4, 9, 9, 5, 4, 7, 4, 4, 1, 7, 0, 5, 1, 4, 0, 3, 0, 0, 5, 6, 3, 4, 8, 2, 9, 2, 2, 9, 5, 0, 0, 9, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

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

LINKS

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

EXAMPLE

x=0.2403960801443653959132371766170776997176...

MATHEMATICA

a = 4; b = 3; c = 4;

f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]

Plot[{f[x], g[x]}, {x, -.2, .4}]

r = x /. FindRoot[f[x] == g[x], {x, .24, .25}, WorkingPrecision -> 110]

RealDigits[r] (* A198543 *)

CROSSREFS

Cf. A198414.

Sequence in context: A175630 A021420 A330473 * A294846 A011994 A258773

Adjacent sequences:  A198540 A198541 A198542 * A198544 A198545 A198546

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 26 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 17 02:22 EST 2020. Contains 331976 sequences. (Running on oeis4.)