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 A199067 Decimal expansion of x < 0 satisfying 2*x^2+2*sin(x) = 1. 3
 1, 1, 9, 6, 0, 8, 2, 0, 3, 3, 2, 9, 7, 1, 3, 4, 8, 1, 9, 1, 4, 5, 6, 2, 1, 9, 5, 2, 9, 4, 1, 0, 4, 3, 2, 1, 1, 5, 9, 7, 2, 0, 4, 7, 1, 5, 9, 5, 9, 6, 8, 3, 8, 0, 5, 1, 0, 2, 3, 8, 0, 7, 4, 0, 4, 9, 8, 1, 6, 1, 1, 3, 2, 3, 3, 5, 5, 1, 9, 8, 2, 1, 9, 3, 1, 4, 3, 5, 8, 7, 7, 9, 5, 7, 3, 7, 8, 6, 2, 5 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS See A198866 for a guide to related sequences. The Mathematica program includes a graph. LINKS Table of n, a(n) for n=1..100. EXAMPLE negative: -1.19608203329713481914562195294104321159720... positive: 0.37088734011199207060142934573448899294899... MATHEMATICA a = 2; b = 2; c = 1; f[x_] := a*x^2 + b*Sin[x]; g[x_] := c Plot[{f[x], g[x]}, {x, -2, 2}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, -1.2, -1.1}, WorkingPrecision -> 110] RealDigits[r] (* A199067 *) r = x /. FindRoot[f[x] == g[x], {x, .37, .38}, WorkingPrecision -> 110] RealDigits[r] (* A199068 *) CROSSREFS Cf. A198866. Sequence in context: A130590 A197413 A021055 * A291909 A011114 A298243 Adjacent sequences: A199064 A199065 A199066 * A199068 A199069 A199070 KEYWORD nonn,cons AUTHOR Clark Kimberling, Nov 02 2011 EXTENSIONS a(92) onwards corrected by Georg Fischer, Aug 01 2021 STATUS approved

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Last modified October 2 23:30 EDT 2023. Contains 365841 sequences. (Running on oeis4.)