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 A200358 Decimal expansion of least x>0 satisfying 2*x^2+1=tan(x). 2
 1, 3, 6, 1, 4, 6, 7, 2, 4, 9, 5, 0, 1, 4, 4, 4, 1, 9, 9, 9, 3, 0, 0, 0, 6, 1, 9, 6, 1, 1, 0, 2, 7, 3, 6, 2, 6, 7, 7, 8, 0, 5, 2, 7, 5, 9, 7, 8, 6, 3, 1, 1, 0, 8, 0, 5, 8, 1, 0, 9, 7, 6, 1, 3, 2, 7, 2, 1, 7, 8, 4, 3, 2, 8, 7, 4, 1, 6, 7, 8, 4, 8, 7, 2, 9, 0, 4, 9, 9, 4, 1, 3, 5, 5, 7, 9, 2, 1, 2 (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=1.36146724950144419993000619611027362677805... MATHEMATICA a = 2; b = 0; c = 1; 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] (* A200358 *) CROSSREFS Cf. A200338. Sequence in context: A088392 A195699 A199795 * A181099 A163327 A338460 Adjacent sequences: A200355 A200356 A200357 * A200359 A200360 A200361 KEYWORD nonn,cons AUTHOR Clark Kimberling, Nov 17 2011 STATUS approved

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Last modified August 12 13:41 EDT 2024. Contains 375113 sequences. (Running on oeis4.)