login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A087928
Number of ways of arranging the numbers 1 ... 7n into a 7 X n array so there is exactly one local maximum.
0
64, 57477120, 1323082429842432, 137813651152462288749440, 49992325433734834899948931370880
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..5.
CROSSREFS
A row of the array in
A087783
. Cf.
A007846
.
Sequence in context:
A204044
A017418
A017550
*
A368806
A204043
A295175
Adjacent sequences:
A087925
A087926
A087927
*
A087929
A087930
A087931
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Oct 27 2003
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 6 16:57 EDT 2024. Contains 374980 sequences. (Running on oeis4.)