Address
:
[go:
up one dir
,
main page
]
Include Form
Remove Scripts
Session Cookies
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A152496
revision #3
A152496
1/3 of the number of permutations of 2 indistinguishable copies of 1..n with exactly 4 local maxima.
2
0, 0, 0, 113, 16565, 1216902, 65819156, 3026987243, 126794945523, 5020186173560
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..10.
CROSSREFS
Sequence in context:
A218371
A218637
A218241
* *
A176825
A187703
Adjacent sequences:
A152493
A152494
A152495
*
A152497
A152498
A152499
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Dec 06 2008
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 31 11:25 EDT 2024. Contains 375560 sequences. (Running on oeis4.)