A056521
formatted as a simple table:
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
1
7
1
8
7
9
10
10
43
11
65
12
219
13
350
14
1058
15
1701
16
4796
[0,0,0,0,0,1,1,7,10,43,65,219,350,1058,1701,4796]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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