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A200590 Decimal expansion of least x>0 satisfying 3*x^2-2*x+2=tan(x). 2
1, 3, 6, 8, 8, 0, 9, 1, 8, 9, 5, 8, 6, 2, 9, 4, 1, 4, 3, 7, 5, 7, 8, 7, 5, 5, 6, 4, 9, 2, 1, 5, 2, 3, 3, 7, 8, 8, 4, 6, 3, 3, 4, 4, 7, 0, 5, 0, 3, 9, 1, 1, 1, 9, 4, 2, 1, 8, 3, 6, 8, 0, 7, 3, 8, 8, 9, 2, 8, 3, 9, 2, 0, 5, 0, 0, 8, 9, 9, 3, 4, 3, 1, 3, 4, 6, 6, 2, 4, 0, 4, 6, 2, 7, 1, 8, 4, 2, 5 (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=1.368809189586294143757875564921523378846334470...

MATHEMATICA

a = 3; b = -2; 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, 1.3, 1.4}, WorkingPrecision -> 110]

RealDigits[r]    (* A200590 *)

CROSSREFS

Cf. A200338.

Sequence in context: A104541 A202300 A244467 * A036265 A016663 A023993

Adjacent sequences:  A200587 A200588 A200589 * A200591 A200592 A200593

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Nov 19 2011

STATUS

approved

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Last modified May 19 14:45 EDT 2019. Contains 323395 sequences. (Running on oeis4.)