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
!)
A172724
Number of n X n 0..3 arrays with row sums 7 and column sums 7
1
0, 0, 21, 20112, 84202220, 1070625363840, 36012988082548233, 2867622077261705078784, 494207026605606690167323392, 171330275896315127362166522313600
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..21
CROSSREFS
Sequence in context:
A276513
A167063
A115485
*
A001167
A250066
A299035
Adjacent sequences:
A172721
A172722
A172723
*
A172725
A172726
A172727
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
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 00:57 EDT 2024. Contains 375520 sequences. (Running on oeis4.)