login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172767
Number of 3*n X n 0..3 arrays with row sums 6 and column sums 18
1
0, 1, 19546975, 80349760089959316, 11279631181377626877359650100, 31270791853997716490787029515342398010161, 1138966845227847811612995810985909503258495428544062880
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context:
A017395
A017659
A348267
*
A122557
A284101
A303448
Adjacent sequences:
A172764
A172765
A172766
*
A172768
A172769
A172770
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 September 15 19:17 EDT 2024. Contains 375954 sequences. (Running on oeis4.)