login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172755
Number of 2*n X n 0..3 arrays with row sums 6 and column sums 12
1
0, 1, 28681, 38578100932, 552523141020099900, 58256290618618126540488181, 34391373190693800172956484206435649, 92324899878614980043437168195067658467141080
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..15
CROSSREFS
Sequence in context:
A341326
A179251
A122650
*
A172827
A145686
A224576
Adjacent sequences:
A172752
A172753
A172754
*
A172756
A172757
A172758
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 April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)