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A146694
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
3
9
9
10
19
11
37
12
103
13
317
14
831
15
2581
16
12105
17
62053
18
307133
19
1586103
20
9856867
21
66841097
22
477861431
[1,1,1,1,1,1,1,3,9,19,37,103,317,831,2581,12105, 62053,307133,1586103,9856867,66841097,477861431]
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Last modified February 1 21:22 EST 2023. Contains 359997 sequences. (Running on oeis4.)