login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A009668
Expansion of tan(sin(x))/cos(x).
0
1, 4, 32, 432, 10752, 504832, 35418112, 3115462656, 333569720320, 44698511474688, 7574890049699840, 1575934549490139136, 387157222106970718208, 110017544405171642040320
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..13.
MATHEMATICA
Tan[ Sin[ x ] ]/Cos[ x ] (* Odd Part *)
CROSSREFS
Sequence in context:
A140178
A366685
A088991
*
A005121
A327379
A214379
Adjacent sequences:
A009665
A009666
A009667
*
A009669
A009670
A009671
KEYWORD
nonn
AUTHOR
R. H. Hardin
EXTENSIONS
Extended and signs tested Mar 15 1997 by
Olivier Gérard
.
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 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)