login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A156489
Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 29.
0
2, 12, 210, 3758, 329252, 119245260, 275227614408, 2100173410422072
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
2,1
LINKS
Table of n, a(n) for n=2..9.
CROSSREFS
Sequence in context:
A094157
A306715
A012598
*
A129893
A008352
A082491
Adjacent sequences:
A156486
A156487
A156488
*
A156490
A156491
A156492
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 09 2009
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 March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)