The OEIS mourns the passing of
Jim Simons
and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A151608
Number of permutations of 6 indistinguishable copies of 1..n arranged in a circle with exactly 3 adjacent element pairs in decreasing order.
0
0, 400, 78900, 4232384, 164553580, 5706469776
(
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:
A187051
A231288
A210262
*
A022232
A151652
A197441
Adjacent sequences:
A151605
A151606
A151607
*
A151609
A151610
A151611
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 6 19:21 EDT 2024. Contains 373134 sequences. (Running on oeis4.)