A200693 - OEIS

A200693

Decimal expansion of least x>0 satisfying 9-x^2=tan(x).

1, 4, 2, 8, 1, 0, 5, 1, 9, 3, 9, 3, 4, 3, 8, 0, 7, 4, 9, 6, 9, 9, 5, 8, 6, 0, 5, 3, 7, 1, 3, 8, 8, 0, 6, 8, 6, 8, 4, 6, 8, 5, 5, 4, 3, 1, 1, 1, 4, 3, 9, 5, 2, 6, 2, 3, 4, 1, 3, 0, 3, 3, 5, 3, 1, 6, 9, 1, 5, 3, 5, 2, 3, 5, 7, 8, 6, 3, 7, 5, 1, 3, 6, 4, 0, 7, 0, 3, 8, 4, 1, 7, 1, 2, 7, 5, 8, 0, 5

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OFFSET

1,2

COMMENTS

See A200614 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=1.4281051939343807496995860537138806868468554311...

MATHEMATICA

a = -1; c = 9;

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