login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201889 Decimal expansion of the number x satisfying x^2+x+5=e^x. 2
2, 7, 1, 2, 8, 7, 7, 1, 8, 7, 0, 3, 7, 3, 1, 9, 6, 0, 2, 2, 1, 8, 8, 0, 5, 3, 4, 8, 5, 3, 9, 2, 0, 4, 5, 1, 3, 5, 6, 9, 4, 1, 1, 8, 2, 9, 2, 0, 2, 7, 8, 1, 6, 4, 2, 4, 8, 4, 1, 1, 0, 6, 6, 1, 5, 4, 4, 0, 8, 9, 5, 0, 4, 4, 1, 7, 7, 2, 6, 2, 7, 5, 5, 4, 3, 6, 6, 4, 3, 7, 2, 2, 9, 7, 2, 4, 2, 8, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See A201741 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=2.71287718703731960221880534853920451356941...

MATHEMATICA

a = 1; b = 1; c = 5;

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

Plot[{f[x], g[x]}, {x, -1, 3}, {AxesOrigin -> {0, 0}}]

r = x /. FindRoot[f[x] == g[x], {x, 2.7, 2.8}, WorkingPrecision -> 110]

RealDigits[r] (* A201889 *)

CROSSREFS

Cf. A201741.

Sequence in context: A081705 A324329 A340208 * A145057 A344930 A218792

Adjacent sequences: A201886 A201887 A201888 * A201890 A201891 A201892

KEYWORD

nonn,cons

AUTHOR

Clark Kimberling, Dec 06 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 28 02:51 EST 2022. Contains 358406 sequences. (Running on oeis4.)