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A146687 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 3
12 3
13 7
14 7
15 19
16 19
17 43
18 43
19 167
20 167
21 933 

[1,1,1,1,1,1,1,1,1,1,3,3,7,7,19,19,43,43,167,167,
 933]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)