login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A151605
Number of permutations of 5 indistinguishable copies of 1..n arranged in a circle with exactly 4 adjacent element pairs in decreasing order.
0
0, 40, 127260, 25681280, 2620321725, 205881818220
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Sequence in context:
A266157
A223103
A186166
*
A253107
A300842
A159428
Adjacent sequences:
A151602
A151603
A151604
*
A151606
A151607
A151608
KEYWORD
nonn
AUTHOR
R. H. Hardin
May 21 2009
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 June 28 04:29 EDT 2024. Contains 373761 sequences. (Running on oeis4.)