A147479
formatted as a simple table:
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
9
9
20
10
33
11
56
12
123
13
372
14
1117
15
3761
16
13503
[1,1,1,1,1,1,1,9,20,33,56,123,372,1117,3761,13503]
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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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