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A146439 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 17
10 17
11 57
12 57
13 337
14 337
15 4357
16 4357
17 135183
18 135183
19 3521533
20 3521533
21 135176521
22 135176521
23 9933992919 

[1,1,1,1,1,1,1,1,17,17,57,57,337,337,4357,4357,
 135183,135183,3521533,3521533,135176521,135176521,
 9933992919]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)