Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A009400
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A009400
Expansion of ln(1+tanh(x)/cos(x)).
+0
1
0, 1, -1, 3, -10, 65, -376, 2723, -22800, 226785, -2467456, 29857443, -397200640, 5785047905, -91090625536, 1544546456963, -28057896929280, 543833037679425, -11198060484591616, 244141035610073283, -5618437516698910720
(
list
;
graph
;
listen
)
page 1
Search completed in 0.001 seconds
Lookup
|
Welcome
|
Find friends
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Transforms
|
Puzzles
|
Hot
|
Classics
More pages
|
Superseeker
|
Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 16 13:01 EST 2009. Contains 170825 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
