A144557
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
0
10
0
11
0
12
1
13
1
14
2
15
6
16
18
17
82
18
1000
[0,0,0,0,0,0,0,0,0,0,0,1,1,2,6,18,82,1000]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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