login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172884
Number of 3*n X n 0..5 arrays with row sums 5 and column sums 15
1
1, 4332, 7020205512, 822065583733092864, 2756256275031328927730303391, 145638518631283768165426487679968270016, 79865167852275876121290622323639890979486114456768
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..13
CROSSREFS
Sequence in context:
A300359
A299704
A298431
*
A172915
A317046
A259961
Adjacent sequences:
A172881
A172882
A172883
*
A172885
A172886
A172887
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 July 14 01:56 EDT 2024. Contains 374290 sequences. (Running on oeis4.)