Greetings from
The On-Line Encyclopedia of Integer Sequences
!
Hints
Search:
id:A108704
Displaying 1-1 of 1 results found.
page 1
Format:
long
| short |
internal
|
text
Sort: relevance |
references
|
number
Highlight: on |
off
A108704
Number of partitions of 112233...nn into n pairs.
+0
1
1, 1, 4, 18, 126, 1110, 12120, 156660, 2341500, 39701340, 752839920, 15785181720, 362606123880, 9055825538760, 244296192460320, 7079382509799600, 219321853964413200, 7233629128601475600, 253054306933115688000
(
list
;
graph
;
listen
)
page 1
Search completed in 0.002 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 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
