A002881
formatted as a simple table:
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
1
10
0
11
0
12
9
13
34
14
104
15
283
16
957
17
3033
18
9519
[0,0,0,0,0,0,0,0,1,0,0,9,34,104,283,957,3033,9519]
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 20 16:54 EST 2009. Contains 171081 sequences.
AT&T Labs Research
Legal Notice
© 2009 AT&T Intellectual Property.
All Rights Reserved.
