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A147328
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
3
8
9
9
20
10
47
11
148
12
487
13
2258
14
13693
15
84456
[1,1,1,1,1,1,3,9,20,47,148,487,2258,13693,84456]
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Last modified April 23 11:35 EDT 2024. Contains 371912 sequences. (Running on oeis4.)