The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A201766 Decimal expansion of the greatest x satisfying -x^2+9=e^x. 3
 1, 7, 6, 9, 6, 0, 1, 1, 0, 0, 1, 9, 9, 3, 5, 7, 6, 8, 9, 1, 8, 6, 5, 9, 6, 7, 7, 4, 7, 1, 0, 6, 7, 8, 5, 1, 9, 9, 3, 5, 1, 5, 9, 4, 7, 9, 1, 3, 4, 5, 7, 5, 9, 2, 4, 5, 1, 3, 4, 1, 4, 7, 4, 3, 8, 1, 3, 3, 3, 1, 5, 0, 8, 9, 2, 9, 8, 9, 2, 9, 1, 0, 0, 7, 5, 8, 9, 1, 5, 3, 9, 3, 7, 6, 1, 9, 9, 2, 7 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A201741 for a guide to related sequences.  The Mathematica program includes a graph. LINKS EXAMPLE least:  -2.9916206301281875052379602922929380380... greatest:  1.76960110019935768918659677471067851... MATHEMATICA a = -1; b = 0; c = 9; f[x_] := a*x^2 + b*x + c; g[x_] := E^x Plot[{f[x], g[x]}, {x, -3, 3}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, -2.9, -3.0}, WorkingPrecision -> 110] RealDigits[r]    (* A201765 *) r = x /. FindRoot[f[x] == g[x], {x, 1.7, 1.8}, WorkingPrecision -> 110] RealDigits[r]    (* A201766 *) CROSSREFS Cf. A201741. Sequence in context: A257964 A178816 A200106 * A307951 A197588 A021569 Adjacent sequences:  A201763 A201764 A201765 * A201767 A201768 A201769 KEYWORD nonn,cons AUTHOR Clark Kimberling, Dec 05 2011 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified February 18 00:28 EST 2020. Contains 332006 sequences. (Running on oeis4.)