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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A013122 cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5... 0
1, 0, -4, 6, 13, -20, -454, 1302, 13213, -57528, -566304, 1146750, 83953137, -715819260, 590760166, -61357519650, 2337988853657, -32573393982320, 362267655859524, -8238027536343882, 209882071249912757 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..20.

CROSSREFS

Sequence in context: A069061 A088811 A007977 * A012964 A284798 A120463

Adjacent sequences:  A013119 A013120 A013121 * A013123 A013124 A013125

KEYWORD

sign

AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)

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 August 10 04:27 EDT 2022. Contains 356029 sequences. (Running on oeis4.)