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A147236 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 49
18 49
19 195
20 195
21 1111
22 1111 

[1,1,1,1,1,1,1,1,1,1,3,3,7,7,19,19,49,49,195,195,
 1111,1111]

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Last modified March 20 22:57 EDT 2023. Contains 361392 sequences. (Running on oeis4.)