login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A215498 Decimal expansion of root of tanh(x) = log(x). 0
2, 6, 9, 3, 6, 3, 8, 3, 6, 6, 8, 7, 9, 7, 0, 3, 7, 4, 6, 2, 8, 3, 1, 7, 6, 7, 0, 1, 0, 6, 9, 6, 7, 9, 5, 7, 7, 7, 4, 3, 5, 6, 5, 6, 8, 6, 0, 6, 6, 8, 2, 8, 7, 6, 9, 4, 4, 6, 6, 8, 2, 3, 8, 0, 3, 6, 7, 5, 9, 0, 9, 5, 1, 7, 5, 6, 6, 5, 8, 3, 1, 9, 7, 5, 1, 8, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

2.6936383668797037...

MAPLE

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

MATHEMATICA

RealDigits[ FindRoot[Tanh[x] == Log[x], {x, {1, 4} }, WorkingPrecision -> 120] [[1, 4] ]] [[2]]

CROSSREFS

Sequence in context: A195396 A197579 A179275 * A104752 A183000 A170821

Adjacent sequences:  A215495 A215496 A215497 * A215499 A215500 A215501

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 15 04:00 EST 2018. Contains 317225 sequences. (Running on oeis4.)