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A146277 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 3
9 5
10 5
11 9
12 9
13 21
14 21
15 93
16 93
17 381
18 381
19 1551
20 1551
21 7459
22 7459
23 56347
24 56347
25 473995
26 473995
27 4321181 

[1,1,1,1,1,1,3,3,5,5,9,9,21,21,93,93,381,381,1551,
 1551,7459,7459,56347,56347,473995,473995,4321181]

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Last modified May 14 14:46 EDT 2024. Contains 372533 sequences. (Running on oeis4.)