login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172771
Number of 3*n X 2*n 0..3 arrays with row sums 4 and column sums 6
1
7, 4705381, 654393258290520, 3956256528501607375052700, 432897335001181060850579402825662500, 493319321787145287396560260323437116718848470000
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..16
CROSSREFS
Sequence in context:
A076915
A051447
A076910
*
A116257
A075984
A109300
Adjacent sequences:
A172768
A172769
A172770
*
A172772
A172773
A172774
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 12 09:11 EDT 2024. Contains 375085 sequences. (Running on oeis4.)