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!)
A197251 Decimal expansion of least x>0 having sin(x)=(sin 5x)^2. 2
4, 0, 5, 4, 1, 2, 8, 9, 5, 5, 4, 0, 0, 0, 9, 1, 7, 9, 6, 9, 6, 0, 8, 2, 1, 7, 1, 5, 3, 1, 2, 4, 8, 1, 7, 2, 2, 7, 5, 4, 4, 8, 9, 0, 5, 2, 5, 2, 2, 8, 5, 8, 9, 2, 2, 1, 7, 0, 7, 1, 2, 8, 7, 3, 9, 0, 1, 9, 2, 8, 1, 7, 9, 3, 2, 9, 5, 7, 2, 7, 8, 2, 9, 8, 5, 1, 7, 6, 8, 9, 3, 3, 2, 2, 4, 9, 1, 8, 0, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The Mathematica program includes a graph.  See A197133 for a guide to least x>0 satisfying sin(b*x)=(sin(c*x))^2 for selected b and c.

LINKS

Table of n, a(n) for n=0..99.

EXAMPLE

x=0.04054128955400091796960821715312481722...

MATHEMATICA

b = 1; c = 5; f[x_] := Sin[x]

t = x /. FindRoot[f[b*x] == f[c*x]^2, {x, .03, .1}, WorkingPrecision -> 100]

RealDigits[t] (* A197251 *)

Plot[{f[b*x], f[c*x]^2}, {x, 0, Pi}]

CROSSREFS

Cf. A197133.

Sequence in context: A185199 A201196 A019906 * A049247 A175621 A016578

Adjacent sequences:  A197248 A197249 A197250 * A197252 A197253 A197254

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Oct 12 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 July 11 07:38 EDT 2020. Contains 335619 sequences. (Running on oeis4.)