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 A200705 Decimal expansion of least x>0 satisfying 1-10*x^2=tan(x). 1
 2, 6, 9, 1, 0, 9, 6, 7, 1, 2, 7, 8, 9, 4, 6, 5, 6, 6, 5, 2, 2, 4, 7, 0, 6, 4, 8, 2, 1, 9, 0, 2, 1, 0, 5, 8, 8, 3, 5, 6, 2, 1, 2, 2, 4, 0, 2, 4, 2, 2, 0, 3, 0, 8, 0, 4, 9, 1, 0, 9, 0, 4, 2, 1, 6, 2, 3, 8, 2, 2, 1, 7, 3, 9, 0, 8, 7, 4, 5, 0, 3, 9, 0, 8, 0, 3, 0, 7, 1, 4, 4, 5, 9, 5, 3, 2, 3, 4, 5 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS See A200614 for a guide to related sequences. The Mathematica program includes a graph. LINKS Table of n, a(n) for n=0..98. EXAMPLE x=0.2691096712789465665224706482190210588356212... MATHEMATICA a = -10; c = 1; f[x_] := a*x^2 + 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, .2, .3}, WorkingPrecision -> 110] RealDigits[r] (* A200710 *) CROSSREFS Cf. A200338. Sequence in context: A046728 A110984 A021792 * A154468 A197142 A129635 Adjacent sequences: A200702 A200703 A200704 * A200706 A200707 A200708 KEYWORD nonn,cons AUTHOR Clark Kimberling, Nov 21 2011 STATUS approved

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Last modified June 15 00:47 EDT 2024. Contains 373402 sequences. (Running on oeis4.)