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A198554
Decimal expansion of x>0 having 4*x^2-x=sin(x).
2
4, 9, 0, 1, 1, 0, 8, 3, 0, 7, 3, 4, 8, 6, 7, 4, 3, 7, 3, 5, 5, 1, 4, 0, 7, 3, 7, 4, 1, 1, 1, 6, 7, 2, 0, 1, 4, 3, 4, 8, 1, 0, 1, 9, 5, 1, 7, 8, 7, 8, 7, 7, 4, 6, 4, 1, 5, 1, 7, 4, 1, 1, 2, 9, 7, 3, 7, 4, 0, 5, 7, 6, 8, 3, 7, 3, 0, 3, 7, 5, 8, 9, 9, 4, 5, 6, 8, 7, 1, 1, 0, 2, 7, 2, 0, 1, 0, 4, 3
OFFSET
0,1
COMMENTS
See A198414 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
x=0.490110830734867437355140737411167201434810...
MATHEMATICA
a = 4; b = -1; c = 1;
f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]
Plot[{f[x], g[x]}, {x, -.1, 1}]
r = x /. FindRoot[f[x] == g[x], {x, .49, .5}, WorkingPrecision -> 110]
RealDigits[r] (* A198554 *)
CROSSREFS
Cf. A198414.
Sequence in context: A069883 A069647 A011348 * A200413 A370293 A021208
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Oct 26 2011
STATUS
approved