login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A145258
1/9 of the number of 9-colorings of an n X n array symmetric about main diagonal.
0
1, 64, 29184, 94818816, 2194974079488, 362034059960871936, 425455980192553057625088, 3562419025470409266468883742208, 212530144659518720790378044762226342912
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Sequence in context:
A052200
A146517
A009497
*
A202911
A013743
A223353
Adjacent sequences:
A145255
A145256
A145257
*
A145259
A145260
A145261
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Oct 05 2008
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 17 04:30 EDT 2024. Contains 375198 sequences. (Running on oeis4.)