Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A157560
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A157560
Half the number of length n integer sequences with sum zero and sum of squares 1568.
+0
1
1, 9, 54, 4730, 384345, 17551611, 639200583, 21540673143, 709364141280, 22449552443395, 690983408959437, 20713553342449344, 594627688939323130, 16245942354519666285, 424430686079103349170, 10684143371864906288080
(
list
;
graph
;
listen
)
page 1
Search completed in 0.001 seconds
Lookup
|
Welcome
|
Find friends
|
Music
|
Plot 2
|
Demos
|
Index
|
Browse
|
More
|
WebCam
Contribute new seq. or comment
|
Format
|
Transforms
|
Puzzles
|
Hot
|
Classics
More pages
|
Superseeker
|
Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
