login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A172950
Number of n X n 0..8 arrays with row sums n and column sums n
1
1, 3, 55, 10147, 22069251, 602351808741, 215717608046511873, 1046591482728407939338275, 70413374705157290394475959841507, 66845086415203272975671039831846565573553
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..12
CROSSREFS
Sequence in context:
A172873
A172907
A172932
*
A172962
A110058
A083869
Adjacent sequences:
A172947
A172948
A172949
*
A172951
A172952
A172953
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 May 11 09:32 EDT 2024. Contains 372388 sequences. (Running on oeis4.)