login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172702
Number of 6*n X n 0..2 arrays with row sums 3 and column sums 18
1
0, 924, 28425752310361, 128167620006030442731491136, 31265195228897742672250371317378119778400, 208166284750977846936978491445694459933214981665738410000
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context:
A172830
A172880
A172912
*
A159701
A115696
A066741
Adjacent sequences:
A172699
A172700
A172701
*
A172703
A172704
A172705
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 6 17:18 EDT 2024. Contains 374980 sequences. (Running on oeis4.)