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A200361 Decimal expansion of least x>0 satisfying 2*x^2+x+2=tan(x). 2
1, 4, 3, 9, 7, 1, 8, 2, 0, 2, 0, 7, 1, 9, 7, 6, 6, 7, 0, 3, 4, 9, 2, 6, 1, 3, 2, 4, 1, 4, 8, 3, 7, 8, 3, 0, 3, 1, 3, 0, 6, 8, 9, 2, 4, 3, 4, 3, 9, 0, 6, 3, 8, 8, 5, 0, 1, 4, 9, 4, 8, 3, 8, 0, 2, 3, 3, 0, 8, 5, 6, 3, 8, 1, 3, 0, 7, 3, 2, 6, 5, 2, 7, 4, 9, 4, 5, 2, 3, 1, 3, 5, 5, 7, 2, 8, 1, 8, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

See A200338 for a guide to related sequences.  The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=1.439718202071976670349261324148378303130...

MATHEMATICA

a = 2; b = 1; c = 2;

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

Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]

r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]

RealDigits[r]   (* A200361 *)

CROSSREFS

Cf. A200338.

Sequence in context: A073238 A010655 A123596 * A222471 A180858 A263193

Adjacent sequences:  A200358 A200359 A200360 * A200362 A200363 A200364

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Nov 17 2011

STATUS

approved

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Last modified May 27 06:24 EDT 2019. Contains 323599 sequences. (Running on oeis4.)