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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A215499 Decimal expansion of the smallest root of tan(x) = log(x). 0
4, 0, 9, 5, 4, 6, 1, 6, 0, 5, 9, 0, 9, 9, 1, 9, 3, 1, 2, 5, 3, 9, 0, 6, 2, 0, 9, 3, 1, 0, 7, 7, 3, 1, 8, 0, 6, 0, 5, 0, 0, 6, 6, 3, 9, 0, 8, 7, 8, 5, 4, 9, 4, 1, 6, 9, 2, 4, 3, 4, 3, 5, 9, 7, 2, 9, 7, 9, 2, 5, 4, 7, 1, 0, 8, 9, 7, 2, 5, 7, 8, 9, 5, 3, 7, 4, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The second root is  7.390369571112932...

The third root is 10.59483666075098025...

LINKS

Table of n, a(n) for n=1..87.

EXAMPLE

4.095461605909919312...

MAPLE

Digits:=120:fsolve(tan(x)-log(x) =0, x, 1..5);

MATHEMATICA

RealDigits[ FindRoot[Tan[x] == Log[x], {x, {3, 5} }, WorkingPrecision -> 120] [[3, 5] ]] [[2]]

PROG

(PARI) solve(x=4, 4.1, tan(x)-log(x)) \\ Charles R Greathouse IV, Apr 16 2014

CROSSREFS

Sequence in context: A242015 A187507 A187857 * A190262 A187586 A198866

Adjacent sequences:  A215496 A215497 A215498 * A215500 A215501 A215502

KEYWORD

nonn,cons

AUTHOR

Michel Lagneau, Aug 13 2012

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 17 00:25 EST 2020. Contains 331976 sequences. (Running on oeis4.)